shade sails are made of U.V. resistant, high density polyethylene,giving the fabric longevity, strength and flexibility. shade netDetailed Product DescriptionWoven and Knitted fabrics are made of U.V. resistant, high density polyethylene,giving the fabric longevity, strength and flexibility.The can be woven in following colors: black-green/back-silver-green. Standard width are 1/1.5/2/2.5/3/4/5 ...