Specifications:How to use: Fill the bag with appropriate amount of old clothes, waste newspapers, seal it with a zipper, and then practice swing.This golf batting bag is suitable for golfers of different levels to use this product.It can effectively help golfers find the feeling of touching the ball, thereby improving the level of hitting the ball.Bag is designed and manufactured specifically for correcting golfers to practice swing shots, safe and reliable.Meanwhile, it enable golfers to master the correct shot and quickly correct the right curve.When using the percussion package to practice, it must be gradual, do not use brute force to practice, so as not to damage the package or cause muscle strain.Item Name: Swing Aid BagMa.