The Learn-to-Swim tube trainer helps you safely teach your kids the basics of swimming. Fits around your child"s upper body to allow freedom of movement. Adjust the inflation amount in the tube to control buoyancy and fit. Your kids stay upright in the water or practice swimming, on their back or front. The bright nylon material is weather-resistant and durable for many summers of fun. Holds a maximum weight of 35 lbs. Ages 3 and up.