Feature: RELIEVE STRESS: several hit the punching bag helps take away your frustration and strain. HEAVY-DUTY SPRING DESIGN: the ball back immediately each time you punching, high strength polymer suction cup base adheres strongly to any smooth, flat, dry surface. STURDY AND DURABLE: made of a synthetic leather punching bag, a heavy duty spring ,a strength polymer suction cup, a pump and 2 needles free. GOOD FOR WORK: place the punching bag at the table, you can hit when you're upset, you also can image the ball as someone's face. Recommended for ages 5 and up. A TASTE of BOXER: Experience the training of professional boxer to punch speed bags. TRAINING and EDUCATIONAL TOY :Improve kids, the elderly and convalescents' hand-eye coordination, increasing speed, and agility. SET UP in 1 Minute: Package consists all the assembles and easy to install. GREAT FOR HOME OR WORK ENVIRONMENTS: Kill daily life stress at home or work tension at the job with these stress reliever toys. INCLUDES EVERYTHING YOU NEED: This desktop punching ball comes with an air pump to ensure that the ball is always inflated and ready for action. Specification: Material:PU Product size: 38x19x20 cm Suitable for: age 14+ Package size:22x20x11cm Package weight: 684g Package Content: 1x Boxing ball 1x Base 1x Support spring 1x Inflatable tube 1x Assembly parts and screws