4" x 4" white traditional vinyl post skirt | vinyl post trim | two-piece | will not fit a traditional 4x4 wood post(single pack) plum fittings transform your vinyl posts into classic and elegant structures by adding this vinyl post skirt to them. an easy and inexpensive way to add some style to boring vinyl posts. created to fit true 4" x 4" square vinyl posts this white post skirt. made from low maintenance white vinyl, this post skirt will not fade, discolor, or warp over time. external fit only. two-piece design to make installation a breeze. the total height for the post skirt is 1" and the corner radius is .156". great replacement piece or existing vinyl posts or needed part for a newly built fence. please measure post carefully before making a purchase