This quick-reflex speedbag is a lightweight, fitness-boosting addition to your home gym. Use it to enhance your upper body strength, speed, accuracy, coordination, and endurance. The wall mounted system allows height adjustment, so with a training buddy or in shoes that lift you higher, the ball can adapt to fine-tunable perfection. This Soozier strength training equipment makes a great performance tool for MMA, martial arts, and more. Use it for amateur or professional practice.