* LIGHTWEIGHT AND PORTABLE- You can take this fight ball reflex tennis ball with you anywhere. You can attach it to be back of your baseball cap. Will perfectly fit into your pocket and backpack. Very convenient for transportation. * IMPROVE YOUR HEALTH-Exercise is good for your body. You build muscles while increasing your stamina. Boxing this reflex ball is a good alternative for a gym. It will influence all muscle groups. * IMPROVE YOUR REACTIONSKILLS- You improve your reaction skills when you use this fight ball reflex punch exercise for boxing. It also improves your accuracy and eye and hand coordination and speed punching. Specification: Colour and pattern: red, yellow, letters without buckles, with buckles (optional) Material: PU+ polyester Function: train boxing consciousness, reaction speed and punch regularity Weight: 78g, buckle 82G 26 inch resting elastic.