ToolUSA Sunguard 4-feet X 20-feet Black Sunshade Net: TSB-70420 100% High density polyethylene with UV stabilizer - 70-75% shade rate cut out harsh sunlight Reinforced corners with double stitching for strength - sunshade gram weight - 65g/square Aluminum grommets along the selvedge for convenient hanging - great for agriculture & greenhouse Keeps you comfortable in warm weather - ideal for the summer time Sunshade net lets the breeze come through, while reducing the heat