High-Quality Material: The Deck Post Base Cover is made of aluminum alloy with one-piece casting molding and high-temperature powder baking paint on the surface (50% matte surface), which is waterproof, rust-resistant, and corrosion-resistant, so you don't have to worry about rust and brittleness due to the attack of rain or high temperature. Unique Design: Deck Post Covers are split design, no need to pull out the railing, easily cover unsightly exposed post anchors or construction defects without incurring costly repairs. Present a uniform and simple beautiful visual effect for your indoor and outdoor deck railings, handrails, stairs, and porches. Size: Suitable for post size 3"x3" (Actual: 3"x3") post, base size 5"x5", height size 1.57". QTY: 8pcs. Quick Installation: Simply snap the Post Skirt into the post, and screw lock the two sides separately to complete the installation (the bottom of the post cover uses a fixing adhesive, which can better prevent shifting).