Well designed and ready to use out of the box.These high quality punching bag is ideal for all of those that wish to practice at home or garage. Use high-quality wire to firmly splice PU and Oxford cloth together. Stronger than other products. The chain is fixed with rivets and reinforced with double-layer sewing thread to make hanging sandbags safer. The inside of the sandbag is made of high-quality filler, Solid filled will never lose shape, High density foam inside. Perfect for martial arts, boxing, and kicking/punching workoutsDesigned with high-quality material, it is practical and durable. This target is used for Boxing Sanda (or other martial arts) fans to practice. The punch bag can be used for punching kicking, martial arts and general fitness. Easy to fill and hang with included chain set.