Designed to help young swimmers at all stages of learning, the Poolmaster® Kids' Learn-to-Swim™ Tube Trainer is made with a built-in 20 gauge vinyl tube and soft polyester and spandex blend material with adjustable tank-top straps for comfort. Young learners can float upright or in a forward swimming position to build confidence in the water. Treated with UPF 50 for protection in the sun.