? This free-standing punching bag is adjustable in height from 47 inches/120 cm to 59 inches/150 cm. The adjustable design makes it suitable for both children and adults. It is a great gift for adults or teenagers. Very helpful for physical training, boxing exercises and stress relief. You can easily exercise at home, office and gym.?Perfect punching bag, very suitable for MMA training, enhances reflexes and speeds up, reduces the pressure of work and study, maintains children's training and builds their confidence, improves hand-eye coordination, pays attention to details and high-quality material construction To ensure durability and longevity. It can withstand severe beatings, and the durable spring makes the hit ball bounce back to its original position after each hit√Product manual:Product name: boxing bag, punching bag, freestanding punching bag, boxing speed ball, taekwondo training bagMaterial: Height Adjuster: Stainless SteelBoxing ball: anti-collision spongeSpring: steel springBase + Suction Cup: ABScolor: Black , Red , Red+blackHeight adjustable: 120-150cm/47-59inchesPacking quantity: 1 *punching bag+1 *glovesApplicable scenarios: office, home, gym, etc.Applicable people: elderly, adults, children, ladies and men's fitnessSports benefits: increase reaction speed, reduce stress, speed up, boxing match training, MMA training, physical enhancement, physical fitnessBottom: inject sand and water (sand is recommended)√Note:★We only sell boxing balls, other items are only props, not commodities★All data are measured manually, with slight errors★If you have any questions, please feel free to contact me, I will give you a satisfactory answer within 24 hours