The Riverstone line of privacy shade cloths is designed to offer easy to use, shade producing cloth that is UV stable and will last for several years in the hottest environments. All our knitted shade cloth is made from 100% polyethylene fabric. Our line of privacy shade cloth is available in 5 colors: tan, green, blue, brown and black. If you are interested in another color please continue to look at our other listings. All colors produce an average shade percentage of 88%. Each shade cloth comes with brass grommets for securing the shade cloth. The grommets are placed approximately 2 ft. apart around the perimeter of the each shade cloth. Material: Polypropylene.