Petra's 11.5 Ft. X 11.5 Ft. Square Sun Sail Shade. Durable Woven Outdoor Patio Fabric w/Up To 90% UV Protection. 11.5x11.5 Foot. (Desert Sand) Dimension: 11.5' x 11.5' Heavy Duty Stainless Steel D-Rings High Density Polyethylene(HDPE) Weave Fabric Effective Harmful UV Blocking, Up to 90% Color - Desert Sand