Large Plastic Mailboxes

The Grand Haven mailbox and post kit makes big mail days feel easy. Mailbox, matching post, and mounting hardware are included so you can spend less time figuring it out and more time admiring your upgraded curb. Built from durable, rust-proof plastic, this extra large mailbox can handle everything from padded envelopes to package deliveries and weekend shopping hauls. As a post mounted mailbox, it’s the perfect choice for residential mailboxes that need serious capacity without sacrificing good looks. Designed for real life and real weather, the Grand Haven is a tough outdoor mailbox that keeps your deliveries safe and dry while looking polished on your curb. USPS approved and made to the newest “T4” standard, this Next Generation curbside mailbox is the roomy, reliable upgrade your daily mail has been waiting for.

We put the new nail box up yesterday and I’ve gotten so many compliments on it. I just love it it big and beautiful. It made such a difference for my property. Don’t wait if you’re thinking of buying it! Get it now! Christine. Christine. Staten Island, NY. Sun May 24 2026

This product is constructed from high-quality materials and features tasteful ornamentation that adds aesthetic value and curb appeal to your home’s exterior. Consistent with every product they offer, this product is built from heavy-duty commercial-grade vinyl that is engineered to last and will not fade or yellow over time. The mailbox is made of rust-resistant galvanized steel, displays a bright red flag, and is postmaster approved.

Love this mailbox! It arrived quickly, was easy to assemble, and looks great.. Anonymous. Fri Jul 24 2026

Upgrade your curb appeal with the Simplay3 T4 Extra Large Capacity Dig-Free Mailbox, a perfect combination of style, durability, and convenience. This extra-large mailbox with dig-free post provides ample space for oversized packages, bulky envelopes, and daily mail deliveries, making it ideal for busy households. Its double-wall plastic construction ensures superior durability to withstand harsh weather and everyday use. This no dig mailbox can be set up in three simple steps without digging or permanent mounting. Just assemble, fill the base with up to 100 lbs of sand for stability, and place it in your desired location. The front door includes a mail pick-up flag for easy mail retrieval and outgoing notifications. Maintenance-free and resistant to rust, fading, and weather damage, this mailbox delivers reliable performance year-round. Designed with functionality and aesthetics in mind, the Simplay3 T4 Dig Free XL Mailbox offers a practical, hassle-free solution for homeowners looking to enhance their outdoor spaces

This mailbox is exactly as illustrated and was very easy to assemble. It fits our needs perfectly!. Dj. Warsaw, IN. Fri Jul 03 2026

Upgrade your curb appeal with the Simplay3 American Home T4 Extra Large Capacity Mailbox, a perfect combination of classic style, durability, and convenience. This extra-large mailbox with post provides ample space for oversized packages, bulky envelopes, and daily mail deliveries, making it ideal for busy households. Its double-wall plastic construction ensures superior durability to withstand harsh weather and everyday use. The front door includes a mail pick-up flag for easy mail retrieval and outgoing notifications. Maintenance-free and resistant to rust, fading, and weather damage, this mailbox delivers reliable performance year-round. Designed with functionality and aesthetics in mind, the Simplay3 T4 XL Mailbox with post cover offers a practical, hassle-free solution for homeowners looking to enhance their outdoor spaces.

Easy to install.. Anonymous. Sat Jun 27 2026

Upgrade your curb appeal with the American Home Extra Large Capacity T4 XL Mailbox top, a perfect combination of style, durability, and convenience. This extra-large mailbox provides ample space for oversized packages, bulky envelopes, and daily mail deliveries, making it ideal for busy households. Its double-wall plastic construction ensures superior durability to withstand harsh weather and everyday use. This XL mailbox top can be attached to a pre-existing post with a standard mounting plate (not included). The front door includes a mail pick-up flag for easy mail retrieval and outgoing notifications. Maintenance-free and resistant to rust, fading, and weather damage, this mailbox delivers reliable performance year-round. Designed with functionality and aesthetics in mind, the Simplay3 T4 Extra Large Mailbox top offers a practical, hassle-free solution for homeowners looking to enhance their outdoor spaces.

No more digging holes, mixing concrete, and working long hours to build and install a Sharing Library! The patent-pending Dig-Free Indoor Outdoor Little Sharing Library can be installed in a few simple steps. Just level the surface, assemble the box and post combination, fill the base with sand, and set place. Super durable, double-wall construction is maintenance-free and will last for years. Customizable decal, indoor non-skid feet, bonus funnel, and color-matched hardware included. Holds 100 lbs of sand (not included). Made in the USA.

Is working well! I had to put stones on the base!!. Anonymous. Tue Jul 28 2026

The white post-mounted mailbox post system (patent pending) is constructed of high-quality commercial grade. The numbers for the number plate are not included but can be purchased at your local hardware store. The assembly is fast and simple with our internal key system that holds the arm firmly in place. All hardware is included (even the bolts that attach the mailbox to the mailbox mounting plate). This post comes fully in length for direct burial so that your system will remain level for many years to come. 4Ever Products does not use wood anchors or other types of a stake that will rot and eventually become unstable.

Weve had it a year and its held up really well!. Brittany. Southborough, MA. Fri May 01 2026

This little library is built to inspire a love of reading in the community. With very little assembly and a few books, it’s ready to make a positive impact in any neighborhood.

Kids love it on the Rail Trail in Bay City MI.. Donald Lee. Linwood, MI. Mon Jul 06 2026

The white post-mounted mailbox post system (patent pending) is constructed of high-quality commercial grade. The numbers for the number plate are not included but can be purchased at your local hardware store. The assembly is fast and simple with its internal key system that holds the arm firmly in place. All hardware is included (even the bolts that attach the mailbox to the mailbox mounting plate). This post comes fully in length for direct burial so that your system will remain level for many years to come. 4Ever Products does not use wood anchors or other types of stakes that will rot and eventually become unstable.

I was sceptical at first, thinking this could be too big of a job for me. But, with the instructions that came with product and an online tutorial on their site, I was able to install this with ease. It looks great and as my daughter said as she pulled up for the first time, "looks like a new house". Anne. NJ. Sun Jan 15 2023

The Mailsafe by Architectural Mailboxes is here to protect your packages and level up your curb appeal. This sleek, secure plastic mailbox features a modern black finish that looks great outside any home. It's one of our top locking mailboxes USPS approved, built for style and security. Here’s the smart part. Mail carriers don’t need a key. They drop your mail through the top slot, and it slides safely into a locked compartment below. Only you can access it, keeping deliveries safe from weather and wandering hands. Crafted from UV-protected, rustproof polypropylene, this outdoor mailbox is made for year-round durability. With a generous large mailbox capacity, it’s perfect for busy households, online shopping, and everyday peace of mind. Fully assembled and easy to install, the Mailsafe is a top pick for residential mailboxes, mailboxes for outside, and anyone looking for a post mounted mailbox that puts security first without sacrificing style.

Very well made & high quality mailbox. Our community has a shared mailbox area of approx ten homes and everyone agreed these were the best mailbox for our community. Highly recommend.. Jennifer. Bellevue, WA. Sat Sep 19 2026

Handmade by Amish Artisans, This Poly Mailbox has a Trim Also Under the Roof, Made of Weather Resistant Recycled High-Density Polyethylene Materials and Resists Rotting. Post not included, find handpainted posts, in different colors, on our Amish Mailbox shop on Wayfair

Nice. Anonymous. Thu Jul 30 2026

Many natural disasters have occurred in this country and all over the world, there is no power and first responders cannot find the home where an emergency is occurring. With our illuminated mailbox, first responders see and find the address of the home. Our mailboxes have a solar panel with led numbers. No need for power. The mailbox is a new innovation and helps the general people to identify faster and easy their tired of people having difficulty finding your property address at night, then look no further. This new elegant mailbox design has all the standard features of a regular mailbox but its magic turns to life at night time. The unique feature of this mailbox includes a rooftop solar power panel that charges an internal battery that powers on special l.E.D. Numbers on both exterior sides of the mailbox at night. This feature helps everyone identify your home quickly from visitors to first responders and police during emergencies. This is the advanced mailbox that you have been waiting for.

Love the mailbox… super cute !. Izabela. Pine Brook Nj. Wed Jul 31 2024

Make the best first impression of your home with the Step2 Atherton Grand Mail Post & Mailbox, an elegantly styled mailbox and post cover featuring a classic wood millwork appearance without the maintenance required of real wood. This grand, stately post and the extra-large mailbox with paper chute combine to meet your mail delivery needs while making a lovely enhancement to your home’s curb appeal. The transitional style of the Atherton Mailbox and Post will welcome you home for many years. The high-quality construction and classic molded detailing create a mailbox and post aesthetic worthy of any estate. Made in USA with US & Imported Parts.

Love it. Painted it navy blue looks great. Get compliments on the mail box.. Tracey. Elkton, MD. Mon Dec 09 2024

The white mailbox post system patent pending is constructed of high-quality commercial-grade vinyl extrusions. The assembly is fast and simple with an internal key system that holds the arm firmly in place. All hardware is included even the bolts that attach the mailbox to the mailbox mounting plate. The quality vinyl extrusions, caps, and accessories will not yellow or deteriorate and we guarantee it. The post comes fully in length for direct burial so that your system will remain level for many years to come. 4Ever Products do not use wood anchors or other types of stakes that will rot and eventually become unstable.

It o great. It told the gently, about 1 hr to put it up . I love it. Chasity. Midwest City, OK. Wed Jul 19 2023

The white post mounted mailbox post system (patent pending) is constructed of high quality commercial grade. The numbers for the number plate are not included but can be purchased at your local hardware store. The assembly is fast and simple with their internal key system that holds the arm firmly in place. All hardware is included (even the bolts that attach the mailbox to the mailbox mounting plate). This post comes full in length for direct burial so that your system will remain level for many years to come. 4Ever Products does not use wood anchors or other types of stake that will rot and eventually become unstable.

Gift for my daughter. It looks great installed and has held up very well.. Patti Nunn. Atlanta, GA. Mon Aug 10 2026

The white post-mounted mailbox system is constructed of high-quality commercial grade. The assembly is fast and simple with its internal key system that holds the arm firmly in place. All hardware is included (even the bolts that attach the mailbox to the mailbox mounting plate). This post comes fully in length for direct burial so that your system will remain level for many years to come.

Love, love, love this mailbox! The installation instructions were easy to follow, making the installation a breeze. The only delay we encountered was due to our post being too long so we had to cut it.. Betty. US. Sat Sep 03 2022

This product is constructed from high-quality materials and features tasteful ornamentation that adds aesthetic value and curb appeal to your home’s exterior. Consistent with every product they offer, this product is built from heavy-duty commercial-grade vinyl that is engineered to last and will not fade or yellow over time. The mailbox is made of rust-resistant galvanized steel, displays a bright red flag, and is postmaster-approved.

Very nice! It's pretty and good quality. The only complaint is how lose the top piece is. It blew off in the wind and needed to be superglued back on.. Bridget. Southborough, MA. Tue Dec 09 2025

The product is constructed from high-quality materials and features tasteful ornamentation that adds aesthetic value and curb appeal to your home’s exterior. Consistent with every product they offer, it is built from heavy-duty commercial grade vinyl that is engineered to last and will not fade or yellow over time. The item is made of rust-resistant galvanized steel, displays a bright red flag, and is postmaster approved. It also features a decorative rose bracket for additional embellishment and beauty.

Beautiful!! Well made!. Linda. Thu May 21 2026

Make the best first impression of your home with the Step2 Atherton Grand Mail Post & Mailbox, an elegantly styled mailbox and post cover featuring a classic wood millwork appearance without the maintenance required of real wood. This grand, stately post and the extra-large mailbox with paper chute combine to meet your mail delivery needs while making a lovely enhancement to your home’s curb appeal. The transitional style of the Atherton Mailbox and Post will welcome you home for many years. The high-quality construction and classic molded detailing create a mailbox and post aesthetic worthy of any estate. Made in USA with US & Imported Parts.

I was so impressed with the Highland post and mailbox after I installed it that I sent Step2 and email of praise. It is the most solidly built item I have had the pleasure of putting together that I can remember. Every few years my mailbox gets destroyed by the snow pressure from the city snow plow. This winter, I will be ready. Beautiful design and real quality construction!. Sue F. Niskayuna, NY. Fri Jul 07 2023

Complete Mailbox Solution: This matching mailbox and post kit provides a ready-to-install set for immediate curb appeal, eliminating the guesswork of finding compatible components.