Premium Soft PU Ball: Effectively protect your fists ,The whole reflexing ball is made from polyurethane which is an organic polymer material. It is softer than tennis ball and can protect your fists better in a fast punching.Work Out AnywhereDont have time for the gym? With this boxing double-end ball, you dont have to! Training at home or even at office! Its lightweight and portable, which means you can carry it virtually everywhere with you!Professional Reflex Training:The best way to improve hand eye coordination and reflex. This boxing speed ball is a good choice for increasing kids' eye-hand coordination, reflexes, agility while enjoying themselves. Combine Double-End-Ball with our Fight Ball Reflex and get more boxing skills and healthy moves permanent.Fast Tset Up:The set comes with two brackets that you can attach to any place in your home or garage. Build quickness and agility while increasing stamina.Adjustable ball lock could adjust the position of Pu ball, Detachable elastic rope control the reaction speed, It can meet the best training results with these two functions.Double End Ball: special design could use to any Indoor or outdoor exercise, useful for classes Boxing, MMA, and others training fitness sports.