Made by Steve and Derek with rigid rock-like urethane. * 10 BEGINNER GRIPS DESIGNED FOR KIDS AGE 12 YRS AND YOUNGER. 500 lb WEIGHT LIMIT. * Easy to climb in sneakers, climbing shoes are not required. * Installation hardware included (Steel bolts + T-nuts + Wrench) * For outdoor walls give us a call and we can upgrade your package to Stainless Steel Hardware for $15 480-334-4646