Inflated size appr. 38cm/15in in diameter. Durable Grab n" grip handle. Maximum sustainable weight of 160 pounds or 70kgs. * Age group 3-4 years. Ideal for indoor and outdoor use. Age under 3 should be under direct supersion of an adult. * Includes a two-way hand pump. Ball is delivered deflated. Presented in color box and ideal as a gift. * Made from EU approved phthalates free pvc & contain no heavy metal elements. 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!