Description Made of PE material, this hollow exercise ball is very light, making it suitable for indoor swing practice. If you aim to improve your golf skills, these balls will assist you in reaching your full potential. By practicing with them more, you will enhance your performance, as practice makes perfect. Features - Color: White. - Material: Plastic. - Size: 4.1cm diameter. - Can also be used for playing games. - Durable plastic construction ensures long-term use. - Lightweight and compact, easy to carry. - Practice with them regularly to become a better player, practice makes perfect. - This ball's lightweight design is ideal for indoor swing practice while ensuring safety. - Warm Tip: Due to lighting effects, monitor brightness, and manual measurement, slight differences in color and size may occur between the photo and the actual item. We sincerely hope for your understanding! Thank you! Package list: 10 x Balls