6' x 18' DESERT TAN MESH SHADE SCREEN TARP /w Grommets. Made of a heavy duty polypropylene screen material. Provides 73% shade and 27% filtered sunlight. Thickness is 6 mil. Reinforced double edges with reinforced corners Heavy-duty rust resistant grommets approx. every 18 inches on all sides. The finished size of all tarps is approx. 4" to 6" smaller than listed size.