Yardcrafters Vinyl Railing Systems provide a maintenance-free alternative to pressure-treated wood. It's an economical solution for homeowners tired of yearly upkeep. Trade in your sanding equipment, paint brushes and hammers for a garden hose. Simply wash down it down and spring improvements are done. This 4" x 4" x 108" snap-together square post wrap, complete with decorative flanges for top and bottom of post, acts as a sleeve over 4 x 4 lumber and will never need painting, staining or sealing to keep its good looks. It won't fade or yellow, crack, split, splinter or peel like wood and always looks freshly painted.