The Riverstone Knitted Privacy Shade Cloth 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 proudly made from 100% polyethylene fabric in the USA. Our line of Privacy shade cloth is available in 5 colors: Tan, Green, Blue, Brown, & Black. 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 feet apart around the perimeter of the each shade cloth.5 year limited warranty