Adjustable Suction Cup Boxing Reflex Speed Ball Hand Eye Reaction Training Punch Fight Ball Fitness Equipment Accessories. Dependable Materials: With this Boxing Speed Trainer, you can practice your punching speed. The PU foam ball and elastic rope are designed to last long and resist wear and tear. The suction cups provide a stable and secure grip. Use Easily: Able to be adjusted to suit your height and skill level, this Boxing Speed Ball is designed with suction cups on both ends and features a durable elastic cord for fixing. Improve Your Boxing Skills: This reflex trainer helps you develop hand-eye coordination, reflexes, agility and punching speed while providing a fun workout. It is multipurpose and suitable for all levels of training. Widely Used: This speed trainer helps you with multiple training. You can use it for boxing, MMA, cardio, and other workouts, providing you with many conveniences. Nice Present Option: This speed boxing ball makes it easy for you to start your training. It's a great gift for any boxing enthusiast, because it can improve their skills and have fun at the same time.