DecKorators post trim adds a finishing touch to the bottom of your posts while hiding the gaps between posts and decking. Wood Post Trim can accommodate 4" x 4" and 6" x 6" posts. They come in pressure-treated Pine and Cedar and can accommodate look of the deck while providing extra protection against the elements. ALX Pro 4" x 4" Post Trim Base is designed to finish ALX post sleeves. Classic Post Skirts fits both Traditional and Paramount post sleeves and come in Black, Dark Walnut and White.