Treated to resist damage from the sun's ultraviolet rays
Rotproof, waterproof and mildew-proof
Lightweight--easy to handle and store. Rope-reinforced hem, double-stitched for strength, heat-sealed seams. Won't crack even in frigid temperatures. Rustproof grommets approx. 3 ft. apart. Reinforced corners on large sizes. Washable. Cannot be shipped express.