Hight Quality & Endurable Boxing Ballade of high-quality PU leather material, it is hand stitched with double textile layers for better precision and lasting durability. Spherical precision regular line, fine sewing is not easy to break, triangular line is more firm, effectively improve the tensile strength, and have a longer service life. Double End Punching Ballhe speed ball is very flexible, which can improve your endurance speed and accuracy, thereby strengthening your body. Also help to develop your reflexes, increase your speed and improve your hand-eye coordination. Suitable for mixed martial arts, fights, boxing or daily reaction training, precision, agility, endurance etc. Double-end Bladderight gas nozzle design, the double-end rubber bladder inside the ball can be easily inflated with an air pump, the double end bladder anti-concussion, anti-leakage. The speed punch ball include 2 bungee cords, 1pcs air pump, 1pcs inflatable needle and 2pcs ring locking, the ball can be easily inflated with an air pump, and deflated and put away when not in use. Super Elastic Ropeouble belt at both ends with thick elastic rope, greatly adding the service life, high elastic hanging rope with strong extension, high elasticity, not easy to break. Special design with suspension, convenient to use and handle. speedball in Boxinghe workout on the boxing punch ball not only strengthens endurance and strength, but also increases responsiveness and reflexes. Specially designed for MMA, boxing, fighting and other punching training, and for professional use in gyms as well as workouts at home to enhance your agility, coordination, accuracy and reflexes.