Similar to our Mayne Dover Mailbox Post but on a slightly larger scale. Manufactured by molding premium high-grade polyethylene plastic to provide long-lasting beauty and durability. No painting, no treating, no sealing… just enjoying, enjoying, enjoying. Unlike wood, Mayne products keep their good looks year after year with just an occasional rinse with a garden hose. 15-year warranty. Mounts over a pressure treated 4"x4" wood post, not included. Holds a large sized mailbox, up to 16 lbs. Mailbox not included. 64"H x 31.5"W. Base is 13" square. 20 lbs. Available in White, Clay, Granite, or Black.