All of our golf cages are constructed with 100% square knotted nylon netting that is dipped and treated in UV inhibitors. Each edge is hand sewn with a 3/8” rope, and includes a center rope on top to decrease sag. All golf cages have an open face, and a snap hook on each corner for easy installation. Perfect for professional, commercial, or the recreational golfer looking to improve his or her golf swing. Your satisfaction is 100% guaranteed!