Umbrella Base Heavy Duty Water Sand Base Plates Set Of 4 20 Inch Black Plastic

Are you still looking for a sturdy and durable base to keep your umbrella more stable? This is our high-strength base weight that holds the umbrella in place perfectly. Made of durable hdpe material and excellent blow molding technology, it can ensure weather resistance and lasting quality. The sturdy 4- Plate structure is very easy to disassemble and store. Most importantly, you can fill it with sand and water to ensure the stability of the umbrella. Also, the easy- To- Fill large 2.28-inch water injection spouts can help you fill quickly without wasting time. The concave handle on each plate are also easy to move. And simple black appearance adds elegance to your outdoor space, perfect for patio, garden, courtyard, porch and poolside.

Great base for the cantilever umbrella pictured. It’s a better looking option than sand bags. I filled the sections with some sand and water to give it a bit more weight than just water to make sure my 10 ft umbrella didn’t tip. I don’t think it’s going anywhere. Easy to fill. Seems like a good product so far.. Troy. Santa Monica, CA. Wed Jul 29 2026

Anchor your outdoor standing umbrella with this versatile stand. It's made from plastic in a circular shape that's designed to evenly distribute weight and keep your umbrella firmly in place on your patio or deck. A hole on top lets you easily fill it with water as a counterweight, while a cap keeps the closure secure as you move the base around for optimum shade coverage. Plus, it comes with a pole base that suits a 1.5'' umbrella pole – we recommend measuring your umbrella's pole to ensure a good fit.

I have this under a large table, but as far as I can tell, it’s exactly as described and has worked perfectly.. Anne. Albuquerque, NM. Thu Jul 16 2026

The 4-Piece Weighted Umbrella Base by LOVOIN is perfect for securely supporting your cantilever patio umbrella! This fillable base is meant to be used with offset or cantilever umbrellas with a cross-bar base. Each plate features a spout to help with quick and convenient filling with sand, as well as easy cleaning and storage. The plates are made of sturdy High-Density Polyethylene (HDPE) plastic and can hold up to 36.25 pounds of sand for a total of 145 pounds to ensure your umbrella will stand up to the wind and elements. With a convenient foldable handle on each plate, they are easy to move and position after they are filled.

Fits the umbrella great. Easy to fill.. Anonymous. IL. Tue Aug 11 2026

This umbrella base stand supports your patio umbrella so you can relax outdoors. Made from cement and powder-coated steel, this freestanding base weighs a sturdy 40lbs/55lbs. and is stain-resistant. This base is adjustable and can fit umbrella poles from 1.37" to 1.9" in diameter. The tube also features a tightening knob, for additional stability. This base is 17.7" square and fits beneath most patio tables. An umbrella is sold separately.

Best one. Buy it. Sturdy and also low profile.. Melissa. Reedville, VA. Fri Jul 03 2026

An ideal anchor for the umbrella with this round free-standing umbrella base. It goes well with an umbrella to cast a cool shadow over your comfy outdoor seating space. Being constructed of durable high-density resin, it is rust-resistant and stable enough to support the umbrella. The unique woven basket-style wicker design with a touch of texture makes it attractive and elegant adding a sense of calmness and relief. Additional wheels make it possible to move the umbrella much more easily and stop the base anywhere with brakes on wheels. Use this design to follow the sun's rays wherever you go. Kick back and relax in a shady space under an umbrella with this base.

Heavy and secured, easy to move around thanks to the wheels.. Anonymous. Mon Apr 06 2026

Base is pretty wide so should provide enough stability for the umbrella. Timmy. US. Mon Jun 29 2026

Ensure your parasol is firmly in place with the Outsunny fillable umbrella base. Made from strong anti-aging HDPE plastic, it must be filled with sand or water to increase the total weight, keeping stability outdoors. Easy to set up with the screwed pole design. Combine our weighted umbrella base with a patio umbrella and create your oasis under the shade.

Super strong. Nice and heavy to hold the umbrellas down!. Jen B. Annapolis Md. Wed Aug 12 2026

The ultimate outdoor must-have! This modular base moves & stores with ease, featuring hidden drainage & a metal footrest. Perfect for your patio, lawn, or poolside!

Smart design to have 4 separate pieces to move easily.. Tab. KY. Wed Aug 12 2026

This free-standing umbrella base combines modern style with a unique design. It adjusts up to 125 pounds and, with two tightening knobs, provides reliable support for umbrellas 6 to 9 feet (fitting poles 1.5 to 1.9 inches in diameter). Equipped with four wheels for easy mobility, the base also features four locks to keep it stable. Rust- and weather-resistant, it’s perfect for patios, gardens, restaurants, and more, offering year-round protection for your patio umbrella.

Perfect stand for our new umbrella. I love that you can move it around so easily. Kimberly. Mountain House, CA. Sat Aug 15 2026

With a fillable capacity, this parasol base offers reliable stability. Fill with sand or water to keep the parasol sturdy in any outdoor condition. The lockable castors ensure easy movement, while its sleek rattan design and rounded corners provide safety and style.

Just as described. Nice sturdy base for my umbrella. Bnewtown. Bunnlevel, NC. Sat Feb 28 2026

This Outsunny resin umbrella base offers a decorative, high end touch to your outdoor living space while also performing a necessary task of holding your umbrella in place. With an attractive finish this piece adds charm and elegance to any patio. Made from poly resin, this piece is rust-resistant and made to last for years. With wheels for easy movement makes it more convenience. Set up your outdoor patio today with a beautiful umbrella and keep it secure with an Outsunny umbrella base.

This is likely the best umbrella stand I’ve ever purchased. It took me about 30 min to put the wheels on—it wasn’t hard, but the umbrella stand is heavy and I was doing this by myself and I’m old. But once together, it rolls around my deck like a dream! Easy! Easy! Love this umbrella stand for moving my canopy umbrella around to the right place. Love this umbrella stand and I’ve purchased about 6 different stands from WAYFAIR in the past 8 years.. Elizabeth. Boulder Creek, CA. Sun Jul 05 2026

This umbrella base stand supports your patio umbrella so you can relax outdoors. Made from cement and powder-coated steel, this freestanding base weighs a sturdy 40lbs. and is stain-resistant. This base is adjustable and can fit umbrella poles from 1.37" to 1.9" in diameter. The tube also features a tightening knob, for additional stability. This base is 17.7" square and fits beneath most patio tables. An umbrella is sold separately.

Love it! It is heavy, as it says it is, and doesn't require filling with sand or water which is nice. The wheels on the one side make it easier to move when on a smooth surface (otherwise I just pick it up entirely). I love that it comes with 3 fillers to allow it to fit from a small to a large pole, great idea and design! The wheel on the side is nice to tighten it down to the pole so it stays put easily. I like that it's taller to perfectly reach the underside of my table. I like that it's sleek and not as bulky and obnoxious as lots of other ones. NICE CHOICE!. Megan. US. Thu Mar 26 2026

This is our brand new water-filled umbrella base, a durable base for your patio umbrella. It’s constructed of heavy-duty HDPE plastic with weather-resistant UV protection that prevents color from fading and is easy to maintain. It can be filled with 190 lbs of sand so that plates provide additional weight and make your patio umbrella stand perfectly in windy conditions, You don’t need to worry about any puff of wind that disturbs your summer relaxation in the shade. Don't hesitate to buy one!

I bought just one of these with the 4 pieces for two umbrellas. They work fine to hold up each umbrella but now my husband wants me to get another to fill the base up just in case there’s a big wind gust. James. Sat Apr 18 2026

This patio umbrella base serves as a sturdy foundation for securing our market umbrellas on the patio, ensuring stability during use. Featuring a set of four wheels, it allows for easy maneuverability outdoors. Specifically designed for market umbrellas with poles ranging from 6 to 9 feet in height and 1.49" to 1.89" in diameter. Its simple and universal design makes it a perfect match for all styles and colors, so don't miss out on this versatile option!

Good base for my extra large umbrella. I filled it with water and it has held up very well. No leaks and my umbrella has not tumbled over with the storms weve had.. Danielle. US. Fri Jul 10 2026

Keep your outdoor umbrella secure and stylish with this heavy-duty, adjustable patio umbrella base. Designed to fit most standard umbrellas, it offers customizable weight options from 44 to 88 lbs, allowing you to fill it with sand, water, or a combination for the perfect stability. Crafted from durable HDPE plastic, this base withstands rain, sun, and outdoor wear, while the sleek design with a hidden fill port keeps your patio looking polished. Whether on a deck, patio, or poolside, it provides a reliable foundation for your umbrella and enhances your outdoor space.

Bigger than pictured but still worked with the umbrella. Held up well thru the winter.. Maria. Brooklyn, NY. Sun Jun 28 2026

Our umbrella stands for outside hold any standard-size parasol umbrella firmly in place. Coming in heavy-duty resin construction and a beautiful finish, this patio umbrella base will make a stunning addition to your garden and can be used throughout the year.

Very study cast iron. I have on a third floor balcony with a 108” umbrella and it’s solid. Best I’ve ever had.. Mary. Montgomery, TX. Sat Aug 08 2026

The 31-lb Weather Resistant Umbrella Base in Bronze is a durable and stylish addition to any outdoor setting, ensuring umbrellas remain stable and secure. Crafted from weather-resistant blended poly resin base, this 31lb umbrella base provides exceptional weight and durability, making it perfect for patios, gardens, and poolside areas. Its weather-resistant brushed bronze finish resists rust and fading, maintaining its elegant look for years. The fluted design adds a touch of classic charm, complementing all brown umbrella base styles. This heavy duty umbrella stand outdoor base features a metal, powder-coated single-piece stem, making it suitable for under-table applications. Threaded anchoring knobs ensure a secure grip on poles up to 1.625 inches in diameter, preventing movement in strong winds. Ideal for both residential and commercial spaces, this patio umbrella base is built to withstand outdoor conditions. It accommodates a variety of umbrella styles, including up to 9 ft umbrella base weight models. A 90-day warranty ensures quality and reliability, making this umbrella outdoor base a trusted choice for outdoor shade solutions. Dimensions: 20-in L x 20-in W x 13-in H / 31-lbs

A very heavy and good quality umbrella base.. Elizabeth. Paintsville, KY. Sat May 23 2026

The Kade 50 lb. base features a durable polycrete material to provide long lasting use poolside or under a table.

Good base - have had for 4 years now and it's outside all summer. No real wear and tear is showing. Would recommend. We do put it in the shed for the winter, though, so not sure how it would stand up outside year round in the snow and ice.. Sharon. Trenton, NJ. Wed Aug 05 2026

Set up this free-standing heavy-duty umbrella base on your patio or at any outdoor event without worry. The free-standing umbrella base is crafted with a high-density polyethylene shell with UV protection that will not dent or fade, and can withstand the elements in any weather climate. This HDPE fillable base comes ready to be user filled with sand or gravel. Easily transport and set up the base with the removable wheel on the bottom and hand grips for easier mobility. The 24" diameter base features a 20" high stem that accommodates poles from 1 ½" through 2" thick. Inside the stem is a plastic post protector for the umbrella to rest on instead of a screw leaving the pole undamaged. The stem features two knobs made of polypropylene that tighten the umbrella securely in place for added stability and support. All of the steel components are made of grade 304 stainless steel. Grade 304 stainless steel is also used in aerospace engineering and surgical instruments.

I purchased cream colored base for a 3 tiered, 12 foot market umbrella. Base was very easy to put together . It feels sturdy and looks neat. So far so good. Would recommend. Linda. Oceanside, NY. Fri Jul 31 2026

Set up this free-standing umbrella base on your patio or at any outdoor event without worry. The US Weight 80 Pound Free Standing Umbrella Base is crafted with a high-density polyethylene shell with UV protection that will not dent or fade, and can withstand the elements in any weather climate. This heavy and stable base was prefilled with 80 pounds of high-strength concrete. Easily transport and set up the base with the removable wheel on the bottom and hand grips for easier mobility. The 20.5" diameter base features a 14" high stem that accommodates poles from 1 ½" through 2" thick. Inside the stem is a plastic post protector for the umbrella to rest on instead of a screw leaving the pole undamaged. The stem features two knobs made of polypropylene that tighten the umbrella securely in place for added stability and support. All of the steel components are made of grade 304 stainless steel. Grade 304 stainless steel is also used in aerospace engineering and surgical instruments.

Really heavy…the wind won’t blow this one over!. Lois. West Newbury, MA. Sat Jul 18 2026

Make your market umbrella mobile with square umbrella base from Outsunny. It offers an umbrella base with two tightening knobs to hold it in place. Made from PE body and steel pole for reliable outdoor use, fitted with four wheels to roll easily. Easily fill and clean it with a spout found on the side, making gravity do most of the work. Wheel it from the porch to the poolside, into the shade, or inside for the season. Create your own oasis with Outsunny.

Easy to build and works great with our large umbrella. The wheels are fantastic for moving the stand.. Trk. Sun May 10 2026

Ensure your parasol is firmly in place with the Outsunny fillable umbrella base. Made from strong anti-aging HDPE plastic, it must be filled with sand or water to increase the total weight, keeping stability outdoors. Easy to set up with the screwed pole design. Combine our weighted umbrella base with a patio umbrella and create your oasis under the shade.

I have never put anything together so giving this a try in the middle of making sure all the parts are there and looking for the video has a video showing me how to do this Snoop my helper we can do this. Bea. Texas. Sat May 16 2026

This 16" Dia Outdoor Round Stand is a Sunflower Designed with 22 lbs. Resin Material with a powder-coated finish which is perfectly fitting and holds your outdoor umbrella securely. Sunflower designed pattern is suitable for any outdoor patio. Includes a coupler to allow it to fit for 1.5-1.9 inch Dia umbrella poles. Easy to assemble. Sturdy enough for home and commercial use.

Looks great. Seems very sturdy.. Elizabeth. Somerville, MA. Thu Aug 20 2026

With this umbrella base, your offset patio umbrella looks more fashionable. With this umbrella base, your offset patio umbrella gains more stability. With Symple Stuff products, your garden life becomes more wonderful.

Best addition ever to your umbrella stand! Easy to empty water and store for season. Much better than handling sand bags.. Don. Lasalle, ON. Sun Jul 12 2026

This 14 in. Dia outdoor square stand is an antique designed with 24 lbs. Cast stone material with brown and black powder double-coated finish which is perfectly fitting and holds your outdoor umbrella securely. Antique cast stone-designed pattern in bronze and black finish suitable for any outdoor patio. Includes a coupler to allow it to fit for 1.5 in. Dia umbrella poles. Sturdy enough for home and commercial use.

This thing has lasted 6yr outside in the Colorado winter…well made my friends!. Karla. Greeley, US. Tue Jul 28 2026

Ensure your parasol is always held firmly in place with the fillable patio umbrella base. Made from strong anti-aging HDPE plastic, it needs to be filled with sand or water to increase the total weight, keeping stability outdoors. Easy to move your umbrella with four wheels and the telescopic handle to any locations. When not moving, fold down the handle for compact and tidy use. Combine our patio umbrella stand with a patio umbrella and create your own oasis under the shade.

The stand arrived quickly and was easy to assemble. It is plenty heavy and sturdy after being filled with water, yet easy to move around thanks to the casters. Also a nice touch that the handle for maneuvering the stand tucks away neatly.. Howah. NY. Wed May 13 2026

This umbrella base is a great addition to our outdoor setup. It has a solid weight to it, so it holds the umbrella securely even on windy days. The finish looks really nice, and the decorative pattern adds a touch of style without being over the top. It arrived well packaged with no damage. Assembly was quick and easy—only took a few moments to put together. I also like that it accommodates two different umbrella pole sizes, making it very versatile. I have the base under a small table that seats two and it still fit nicely.. Amy. Lebanon, PA. Wed Apr 01 2026

Add a sturdy base to your new patio umbrella! Don't worry about your umbrella blowing away in the wind, because the 317-pound base filled with sand or water is enough to support most cantilever umbrellas. Made of high-density polyethylene, the square umbrella base is very stable, and most importantly, weather-resistant and easy to store.

Aesthetically pleasing, easy to fill and holds up the large umbrella with ease.. Amity. Atlanta, GA. Mon Feb 23 2026

This fillable outdoor parasol base stand offers reliable stability with a 37L capacity, allowing you to fill it with water, sand, or a mix for up to 60 kg of weight. Designed with smooth, lockable castors, it’s easy to move and secure. Crafted from durable, weather-resistant PP, it's lightweight and portable when empty.  Its versatile design effortlessly complements various parasols and enhances any outdoor space, making it a timeless addition with no limitations in style or use.

Love it. Heavy enough to protect my umbrella from flying away. Anonymous. Sun Jun 21 2026

Ensure your parasol is firmly in place with the fillable umbrella base. Made from strong anti-aging HDPE plastic, it must be filled with sand or water to increase the total weight, keeping stability outdoors. Easy to set up with the screwed pole design. Combine our weighted umbrella base with a patio umbrella and create your oasis under the shade.

Just what I needed! Sturdy and well made. Anne. Weaverville, CA. Tue Jul 21 2026

Have a sunburn-free outdoor lifestyle with an patio umbrella holder. It is formed with a rustic hand-woven pattern for a garden or patio area. Create a relaxing oasis by combining an umbrella with a table and chairs. Our weighted umbrella stand holds your umbrella securely and evenly in place so that the umbrella can provide much-needed shade. Get out and get comfy with an patio umbrella stand.

Nice sturdy stand but it did arrive damaged. The screw holes for the wheels also didn’t match up correctly.. Lina. West Haven, CT. Sun Aug 02 2026

As the rating scale indicates, this is JUST WHAT I NEED. For years, I have used cement paving stones to secure our giant umbrella. But those got very dirty. In comes this base. As shown, it is four pieces that securely fit on my cantilever umbrella. They were extremely easy to fill and not too heavy for me to carry myself. The water seems to be sealed in there tight. Highly recommend!. Megan. Smyrna, GA. Fri May 08 2026

Ensure your parasol is firmly in place with the Outsunny fillable umbrella base. Made from strong anti-aging HDPE plastic, it must be filled with sand or water to increase the total weight, keeping stability outdoors. Easy to set up with the screwed pole design. Combine our weighted umbrella base with a patio umbrella and create your oasis under the shade.

Been wanting one and no umbrellas came with a stand. Seems sturdy so far, easy to fill and priced well!. Anonymous. Thu Jul 23 2026

Cast a cool shadow over your favorite outdoor seating space with the help of this handsome free-standing umbrella base, crafted from steel. This piece's catered design helps you move your umbrella to follow the sun's rays, while its square silhouette adds visual appeal to any casual or formal aesthetic. This base's rich black hue is perfect set against a neutral tile surface for a contrasting look, while its molded details add a subtle dash of dimension to any space. Use this design to hold a canopy umbrella under a woven-wicker patio lounger, then kick back and relax with your latest read and a glass of wine for an ideal afternoon. Enjoy comfortable outdoor shading with this durable umbrella base. Its neutral black finish and stable support make it a perfect addition to any patio, ensuring hours of relaxation in the cool shade.

Very heavy, sturdy base. I love the teal color. Danielle. San Antonio, TX. Tue Aug 18 2026

Ensure Outsunny cantilever parasols stand firmly in place, day and evening long: get our cantilever umbrella base weights. Each piece is made from HDPE plastic, durable and tough enough for outdoor use. Each piece feature a filling port and screw cap so that you can fill it with water or sand easily. When empty, these umbrella weights for outside are light and convenient to carry around with the built-in handles. Create your own oasis under the shade with a little help from us.

Very easy to use and holds down pool umbrellas well.. Rebecca. Gainesville, GA. Wed Jan 07 2026

These are incredibly light to handle before filled with water or sand. I like that they will not rust and are easy to move around. Great product for the beach areas.. Susan. CA. Wed Jul 22 2026

This umbrella base stand supports your patio umbrella so you can relax outdoors. Made from cement and iron skin, this freestanding base weighs a sturdy 40lbs. and is stain-resistant. This base is adjustable and can fit umbrella poles from 1.4" to 1.9" in diameter. This base is 17.7" square and fits beneath most patio tables. An umbrella is sold separately.

Great base and stylish . Love the wheels and the fact that it can accommodate different size umbrellas. Judith. Chesterton, IN. Wed May 27 2026

Ensure your parasol is firmly in place with the Outsunny fillable umbrella base. Made from strong anti-aging HDPE plastic, it must be filled with sand or water to increase the total weight, keeping stability outdoors. Wheels provide convenient moving. Combine our weighted umbrella base with a patio umbrella and create your oasis under the shade.

I thought this might be hard to move once I filled it with water. It’s very easy to move and to adjust it for maximum shaded area. I’m glad I chose this one!. Hilary. Wed Jul 15 2026

Improve the shade and comfort of your deck or patio with the 50lb Outdoor Umbrella Stand Base by Pure Garden. This sturdy patio umbrella base holds up to 11-foot market umbrellas, so you and your guests can enjoy quality sun protection while relaxing in the shade. Constructed of sturdy high-density polyethylene plastic, this umbrella base stand can hold up to 50-pounds of sand to ensure your umbrella can withstand the wind and elements

It’s great for what i have for my new deck. Lorenzo. NY. Fri Jun 12 2026

Why choose us？This durable patio umbrella base ensures stability. Made of lightweight yet sturdy resin and iron. Versatile design complements a range of umbrellas. It can fit into most patio umbrellas and is easy to set up.

Update... got a second one and for whatever reason, it wasnt as heavy or stable as the first one. Very Disappointed. Nice and heavy umbrella stand, exactly what I needed.. Tammy. NJ. Fri Jul 17 2026

No need to worry about wind disturbing your summer relaxation in the shade with this 4pc umbrella weight base from Outsunny. This 4-piece set is made from durable steel and HDPE material, resistant to weathering and easy to maintain. All that's needed is to fill the base with water or sand, and then the base will hold the umbrella securely and evenly in your garden, patio, or other outdoor sanctuary.

It works but is definitely bigger than I was anticipating!. Hannah. Amherst, OH. Sun Mar 15 2026

Provide a shady and relaxing space to enjoy the great outdoors with your friends and family. Our umbrella base ensures that your umbrella will remain securely intact with style and practicality. Built out of solid iron and concrete, the thirty-three-pound base can accommodate an umbrella with a diameter of 5 feet and includes a base rod that features a tightening knob to easily secure your umbrella pole. This base is recommended to be used with a dining table to enhance your outdoor dining experience with your favorite outdoor umbrella

Good sturdy base. Have had this for a while and it has worked great. No issues.. Lisa. New Albany, OH. Wed May 27 2026

This 18" Dia Outdoor Round Stand is a Sunflower Designed with 33 lbs. Resin Material with a Black powder-coated finish which is perfectly fitting and holds your outdoor umbrella securely. The sunflower-designed pattern in the Black finish is suitable for any outdoor patio. Includes a coupler to allow it to fit for 1.5-1.9 inch Dia umbrella poles. Easy to assemble. Sturdy enough for home and commercial use.

This looks great in person! I was worried you’d be able to tell it’s not metal, but you really can’t. Seems to be heavy enough even when windy to keep the umbrella from moving.. Courtney. Olympia, WA. Thu Jul 30 2026

This umbrella base stand supports your patio umbrella so you can relax outdoors. Made from cement, this freestanding base weighs a sturdy 45lbs. and is stain-resistant. This base is adjustable and can fit umbrella poles from 1.5" to 1.9" in diameter. The tube also features a tightening knob, for additional stability. This base is 17.9" square and fits beneath most patio tables. An umbrella is sold separately.

Easy to put together in about one minute. I like that it is very heavy and holds the umbrella solidly. I also like there is no need to fill it with water or sand. Just what I was looking for.. A. Winston-salem, NC. Wed Aug 05 2026

The patio umbrella base is the perfect accessory to complete your outdoor patio umbrella package. Manufactured from durable composite material for maximum outdoor endurance. This umbrella base is sturdy and compact with a contemporary design and finish. You are sure to enjoy relaxing times outdoors with this functional umbrella base.

The weights were ok but it would help to know what weight whether water or sand would total in each section. And one section had a pin hole at the neck of the entry and the water that leaked. I tried to fix it with glue and tape. I filled mine with water but sand would not be a problem. So overall ok and it is necessary for the umbrella.. Cynthia. Simsbury, CT. Thu Apr 09 2026

Keep your outdoor umbrella securely in place with the Barton Fillable Patio Umbrella Base. This durable stand is designed to provide stability and prevent tipping, making it a perfect addition to your patio, poolside, or garden setup.

It was perfect and still working well!!. Peggy. US. Sun May 24 2026

Patio cantilever umbrella base sand/water-filled square umbrella stand with wheels. With large-sized water injection ports, there are 4 wheels at the bottom of this base weight, which can help you move effortlessly in any area of the backyard.

Solid, durable base that supports the cantilever umbrella perfectly. It was very simple to install.. Rhonda. Van Buren Township, MI. Sat Aug 08 2026

Experience Superior Stability for Your Outdoor UmbrellaHeavy-Duty Support: Specifically designed for 10-15FT cantilever and offset patio umbrellas, this square umbrella base set can be filled up to 330 lbs with water or sand, providing exceptional wind resistance and stability in your garden, patio, deck, or poolside area.Customizable Weight & Effortless Mobility: The modular set includes 4 connectable black plastic sections. Fill each section with water or sand according to your needs. When empty, the lightweight design makes moving and storage easy.Easy Tool-Complimentary Assembly: No tools needed—simply connect the four sections, add your preferred filling, and snap them securely together. The modular design allows for quick setup and convenient seasonal storage.Durable & Weather-Resistant: Crafted from quality, UV-resistant plastic, this base withstands sun, rain, and temperature changes. Its textured finish helps prevent fading and cracking for long-lasting use outdoors.Secure Cantilever Fit: The central octagonal slot is engineered for cantilever umbrella poles, ensuring a snug, wobble-free fit—even in airy conditions—so your umbrella stays upright and steady.Perfect For: Homeowners and businesses looking for a reliable umbrella base for large outdoor umbrellas. Ideal for backyard dining, poolside lounging, or any outdoor seating area. This heavy-duty, water and sand fillable base is an basic outdoor furniture accessory for anyone seeking lasting performance and modern style.