#18 7/8" Knotless Polyester Netting is a commercial-grade net is made from 100% polyester fiber, constructed on a rashel machine with a LIBA compound needle system. This black netting is UV and weather treated to last indoors and outdoors. Each netting panel is reinforced with a 1/4" rope border with a spring clip at each corner. Each net is made to order in the USA.