12 ft. x 16 ft. Black 70% Greenhouse Sunblock Shade Cloth with Grommets

Greenhouse UV blocking shades are made of High Density Polyethylene (HDPE). It helps prevent heat build-up in the greenhouse and protects the plants from direct sunlight. It's quick and easy to install and can be easily repositioned for all greenhouses depending on the season or crop. Not only is it durable and affordable, but it also lasts on windy days.