Space Hopper Ball with Air Pump: 15in/38cm Diameter for Ages 3-4, Hop Ball, Kangaroo Bouncer, Hoppity Hop, Jumping Ball, Sit & Bounce - Red Inflated size appr. 38cm/15in in diameter. Durable Grab n' grip handle. Maximum sustainable weight of 160 pounds or 70kgs. Age group 3-5 years. Ideal for indoor and outdoor use. Age under 3 should be under direct supervision of an adult. Includes a two-way hand pump. Ball is delivered deflated. Presented in color box and ideal as a gift. Contains no US banned phthalates and heavy metal elements. Conforms to the safety requirements of EU EN71, US CPSIA & ASTM F963. Safe to use. Inflation instruction: Take out the inserted white plug (air stopper) from the ball, insert the tip of the pump and inflate the ball to good size, and then replace the white plug back into the hole quickly. Bounce!