Best way swim safe swim pal duo is designed to help children master the basics of swimming, the swim safe swim pal duo by Best way is a patent-pending, quality-tested swim jacket. The innovative, structured design of the swim pal duo features a swim vest with attached arm bands. It is us coast Guard (USCG) approved and has adjustable buckles and a strap to create a snug fit and keep kids secure while they are in water. The swim pal duo is constructed of durable, Oxford fabric and comes with built-in foam pads, for balanced flotation. Designed for kids ages 2 and up. Splashing in the sun has never been more fun or safe than with the swim safe swim pal duo! intended for children 30-50 pounds.