Enhance Your Outdoor Space: Effortlessly beautify mailbox posts, deck railings, patio umbrellas, or lamp posts with the SnapPot Millennium Park Resin Pot Planter. Versatile Compatibility: Easily fits standard 4x4 and 6x6 posts, featuring a tapered center hole (6" x 6" at the top, tapering to 7" x 7") for secure placement. High Capacity & Superior Drainage: Spaciously holds over 16 gallons of soil, providing ample room for vibrant floral displays. Built-in drainage holes prevent water accumulation, protecting posts from moisture damage. Easy Installation: Quick, snap-together assembly without tools. Recommended: Add one bag of pea gravel at the base, topped with approximately 75 lbs of potting soil for optimal plant health and drainage. Durable Construction: Made from weather-resistant resin designed to withstand harsh weather conditions, UV rays, and outdoor elements. Important Note: Mailbox and mailbox post not included.