3-Year Warranty! A low-cost, long-lasting alternative to custom windscreens. Made of 8-oz. knitted high-density polyethylene monofilament with superior UV resistance properties. No grommets needed! Extra heavy duty selvage along top and bottom hems provide for more secure installations with less scalloping than other knitted windscreens. *Does not come hemmed and grommeted. 70% Opacity Roll measures 6 feet x 50 feet. Price is per roll. Courtmaster Tennis Equipment 2393