Children will be hopping happy with this Chad Valley hopper; Watch them bounce, spring and leap around the garden or even race their friends; The hopper has a funny face and a chunky grip handle for safe bouncing. Hopper inflates to approximately 45cm diameter and takes approximately 5 minutes to inflate. Keep the ball at room temperature before inflation. Inflate to a max diameter of 45cm with an air pressure 1.0 bar pumping device: the mouth of the device needs to be 5-6mm in diameter. After inflation, removed the pump nozzle and fully insert the plastic plug. Ensure plug is secure before use. Takes approximately 5 minutes to inflate. Size inflated H24, W8, . Weight 50g. Maximum user weight 30kg. Suitable for outdoor and indoor use. For ages 3 years and over. WARNING(S): Not suitable for children under 3 years old. Only for domestic use.