Description: PREMIUM PUNCHING BALL: The speed bag is made of high quality thick PU, ABS, and iron material, The sphere and body shaft is strong and sturdy, durable, has strong extensibility, high elasticity, and not easy to break. PERFECT TRAINING EQUIPMENT: Boxing Speed Ball can help train reaction, agility, punching speed, skills, and hand eye coordination, home gym interesting workout. ADJUSTABLE HEIGHT STAND: The height of the punching ball stand can be easily adjusted, and greatly suitable for any person. STABLE AND STURDY: Stable spring without fracture, strong spring steel, smooth steady, spring speed can keep up with; water or sand can be injected into the base to improve stability. SPECIALLY DESIGNED: A boxing punching bag is suitable for boxing, fighting, and other punching training, and for professional use in gyms, and workouts at home gym. Specification: Material: ABS, Iron,PU Leather, Kids Height 70-100cm: Base Diameter 33cm/12.99inch, Ball 18cmx22cm/7.09inchx8.66inch, Gloves13.5cmx20cm/5.31inchx7.87inch Kids Height 80-120cm:Base Diameter 36.5cm/14.37inch, Ball 22cmx30cm/8.66inchx11.81inch, Gloves13.5cmx20cm/5.31inchx7.87inch Parent child Height 80-160cm:Base Diameter 36.5cm/14.37inch, Ball 22cmx30cm/8.66inchx11.81inch, Gloves13.5cmx20cm/5.31inchx7.87inch Parent child Height 80-120cm:Base Diameter 36.5cm/14.37inch, Ball 22cmx30cm/8.66inchx11.81inch, Gloves13.5cmx20cm/5.31inchx7.87inch Package Includes: As You Choose Kids H 70-100cm: 1 Punching Ball, 1 Pair Gloves, 1 Air Pump or Kids H 80-120cm: 1 Punching Ball, 1 Pair Gloves, 1 Air Pump or Parent child 80-160cm: 1 Punching Ball, 1 Pair Gloves, 1 Air Pump or Parent child 80-120cm:1 Punching Ball, 2 Pair Gloves, 1 Air Pump