Cordless Outdoor Roller Shades 9'W X 8'L, Patio Roller Blinds Roll up for Porch Backyard with Spliced Pole Design (3 Poles, One-Piece Fabric), Graphite Black. 95% UV Block: ARKOST outdoor roller shade provides long-lasting sun protection, blocking 95% of harmful UV rays to keep your patio or porch cooler.