Check the listing for details. 16 Pack Golf Practice Ball Plastic 41mm Hollow Flight Training White. Color: White, Condition: New. Listed at 12.64 USD. The golf practice ball is primarily a good choice for swing and putting practice. Widely used in indoor, home, hitting mat and other places to help you improve your swing and putting skills. In addition, it can also be used for pet cat and dog at home to play.SpecificationColor: WhiteMaterial: Polyethylene (PE)Outer Diameter: 41 mm/ 1.61 inchPacking List: 16 Pcs x Golf practice ballAdvantageMade of PE plastic material, lightweight and soft, durable, not easy to crack and fade.Its diameter is similar to that of a golf ball, which can ensure a more realistic simulation of the golf ball's rotation distance.The golf practice ball is colorful and multi-color optional, choose the color you like, so that you can easily identify and find it when you practice, and it is not easy to lose.