Greenhouse shade cloth is manufactured from knitted polyethylene fabric that does not rot, mildew or become brittle. Growers Supply shade material comes in multiple shade densities and can be used for applications such as greenhouses, canopies, farm stands and more. Shade fabric helps protects plants and people from direct sunlight and offers superior ventilation, improves light diffusion, reflects summer heat and keeps greenhouses cooler. Easy to install and remove, prefabricated shade panels are available with grommets to save you time and money, and come in 30% to 80% densities to meet your specific application. Purchase shade cloth in bulk and save!