The Riverstone Line of Custom Made KNITTED Shade Clothes is designed to offer easy to use, shade producing cloth that is UV stable and will last for several years in ALL environments. THE KNITTED Shades are available in 3 of the most popular shade percents 30%, 50%, & 70%. All RSI KNITTED shades are Proudly Made in the USA. The RSI KNITTED shades are 20% thinner and lighter than a woven shade. RSI Knitted shades are more durable than woven shades although lighter due to the interlocking properties and design of the fibers. The threading will not move keeping the uniformity of the material, even when torn. 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.