72″ W X 72″ L Heavy-Duty Outdoor Roller Shades – Waterproof Exterior Blinds for Porch/Backyard, 90% UV Protection Cordless Shade System, Dark Grey. 【90% UV Blocking Solar Screen】: Advanced 220 GSM HDPE fabric blocks 90% harmful UV rays, reduces patio temperature by 18℉, ideal for sun protection outdoor shades and patio cooling solutions.