Coolaroo Square Shade Sail 17 Feet 9 Inches with Hardware Kit, Terracotta Stainless Steel installation hardware included. 4 pad eyes, 2 turnbuckles and 2 snap hooks. Bolts and screws not included. Provides up to 90% UV block Commercial grade fabric allows cover to breathe reducing temperatures underneath by up to one-third 10 year warranty against UV degradation Resists mold and mildew