Feature●Pacakge includes - 2pcs One-Piece Post Skirt, 2pcs aluminum post caps and 4 screws●Post decoration - The one-piece post skirt will prevent your post from decay while decorating your deck, making it stand out in your neighborhood. It is applicable to fence post, deck post, wood lamp post, mailbox posts, etc●Weather protection - This black powder-coated post base is made of quality galvanized steel with great rust resistance and will work for a long lifetime. It is ideal for both indoor and outdoor applications, even by the seaside●For 4"x4" wood post - Muzata black aluminum pyramid post cap is designed for posts with nominal standard 4x4 post (actual 3.5"x 3.5" dry post). The interior dimension of this cap is 3.6" x 3.6". It’s important to measure your post before buying. Please ensure that your square posts are around 3.5"×3.5"Description Pacakge includes - 2pcs One-Piece Post Skirt, 2pcs aluminum post caps and 4 screws