Thanks for choosing our products. The practice net is made of top-quality material, knotless and tear-resistant polyester netting, fiberglass tension poles, powder-coated steel frame, steel ground stakes & weighted base. Sets up in minutes right out of the carrying bag. The bonus strike zone attachment can be quickly strapped in to improve your pitching/throwing accuracy, form, and focus. Perfect for adults and children for tee work, batting, pitching, fielding, soft toss, and catching practice, and use indoors or outdoor.