Features: Premium PU leather can withstand strong impacts without deformation. Double textile layers for better precision and lasting durability. Thicken elastic ropes on both sides with strong extension, high elasticity and not easy to break. Can be pumped up in minutes with provided air pump. A great training tool for developing rhythm, agility, accuracy, endurance and hand-eye coordination. Suitable for boxing, free combat, kickboxing, MMA Muay Thai Training, workout or other punching training.