DETAILS & DESIGN : Unique swim jacket trainer that helps children learn how to float, paddle, and swim Adjustable buckle at the back to suit most kids from ages 3 to 6 Made with high quality, environmental friendly PearlFoam(TM), a premium latex material that is moisture proof, breathable, lightweight, and super buoyant It has an elastic, waterproof skin that's BPA free and soft and warm in the water Can be used in swimming pools, oceans, and lakes