🥊🥊🥊Dolibest Boxing Punching Bag Hanger perfect for Boxing, MMA, Muay Thai or any of your favorite contact sports heavy bag training. Suitable for the home gym, commercial gym or health club. PACKING LIST 📦1 Heavy Duty Wood Beam Holder 📦1 Spring(4.5MM) ATTENTION ❗Its maximum weight is 350LB.Be sure the surface to which you are mounting can support the weight and forces involved. 💝💝💝If you are dissatisfied with any reason, return your order for 30-Days for full refund. Keeping you satisfied and providing you with the friendliest customer service is our number one goal. Better products, and the best in customer satisfaction.