This product has a built-in air pump, so you can inflate it without using a commercially available air pump. It fits perfectly on your child's back. The angle of the backrest helps maintain posture. It securely catches your child. With a stopper, it prevents your child from slipping. Target age: Newborn to 6 months Suitable height: 66cm The outer box has some damage, so it is listed as "slightly scratched or dirty," but the contents have no noticeable scratches or stains. *Please note that this is a personal inspection. Comes with a Combi bath thermometer. Thank you for viewing.