Boxing Reflex Ball The boxing reaction ball is the perfect training device for boxing training, MMA and other martial arts. The highly demanding training increases your speed and the ability to react. Can be used by beginners and professionals. Due to the simple handling, the reflex ball can be used almost anywhere, whether at home, during training or on the go. Content: Headband; 4 balls with elastic band Weight: red, black, yellow 30g Weight: green 40 g