Key Features● Punch All Your Pressure Out - Boxing is a great sport for the release of pressure. It helps the blood circulation of the body, speeding up the flow of body function, making the body healthier. And boxing is going to be a great boost in your responsiveness and physical sensitivity.● Height Adjustable - This punching bag can be balanced between 47" and 60.5" to accommodate people of different heights. So it's going to be perfect for family use and gym use. This freestanding punching ball speed bag is ideal for adults as well as children over 8 years of age.● Solid Base and Handle - At the same time, the strong base guarantees its durability and safety. The handle on the bottom helps you to position this punching bag wherever you choose, and then simply fill the freestanding heavy-duty base with 15 lbs of water or sand for support.● Quick and Easy Setup - The surface of the ball is made of PE and PVC leather which is smooth and elastic. Durable spring features a high rebound