Scientific according to the basic principles of golf swing, to help players master the on swinging ball,can quickly corrected the right hook, so players can master the shot correctly. It is recommended to fill cloth, clothes and other soft items in the golf impact bag.Do not fill in hard objects such as sand, dirt, and . Help the players hit the ball more and effective, Designed for golfers to practice hitting a ball, safe and smash bag have a plastic buckle at that allows you to hold the bag in place with a stick. It can make the bag not move during training. Item Type: golf swing bag Material:High-density waterproof fabric colour:Yellow Package Contents: 1 x golf swing bag Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.