Coolaroo 457839 Shade Fabric with 90% UV Protection (6'x50'), 6' x 50', GraphiteFeatures Provides up to 90 percent UV block Manufactured of high density polyethylene which is knitted instead of woven, allowing heat and humidity to rise through fabric while reducing ambient air temperatures up to 33% Specialized fabric is stain resistant and will not fade Easy to clean, simply hose off with water Weather resistant fabric Product Description The original Coolaroo knitted shade fabric is manufactured of high density Polyethylene