Description: PREMIUM MATERIAL: Made of high quality PU leather and steel, smooth and bright colors give you a comfortable hand. Reinforced design is durable. BEST DESIGN: Pear shaped design to ensure fast and balanced, easy to , allowing you to get accurate punches and good rebounds without disturbing your rhythm. Function: Practice punching speed, it will improve your stamina, speed and accuracy, train eye and hand coordination, and skills Uses: Suitable for boxing, kickboxing, kickboxing, workouts or other boxing training. Can be used by children, teenagers and adults. PERFECT GIFT: gifts for coworkers, a boxing training toy for kids, or just additional toys, games and recreational equipment for the break room, this is the perfect choice! Size Chart: Shelf 46cm-55cm/18.11inch-21.65inch adjustable Speed Ball 24cmx18cm/9.45inchx7.09inch Package Includes: 1 Punching Ball with Accessories Note: Please allow slightly errors due to manual measurement and different monitors.