Coolaroo Exterior Roller Shade, Cordless Roller Shade with 95% UV Protection, No Valance, (4' X 8'), Pebble Up to 90% UV block protection Light filtering and helps improve energy efficiency Aluminum head rail for added strength and durability Child safe cordless operation - no cords, no chains Unique knitted 'breathable' fabric Weather resistant fabric and components resist fading, mold, and mildew Crank is not weather resistant