Made from durable neoprene for buoyancy and warmth.Centre front zip with velcro tab for secure hold.3D element for imaginative play. Meets USA and AU market standards.Develops swimming abilities while also building confidence in young swimmers.Children must be under supervision when using this product. 50% EPE foam, 40% Neoprene, 10% Polyester 3-6 years: Max Weight 18-30kgs - 2-3 years: Max Weight 15-18kg Adjustable anti rise safety strap between the legs for perfect fit. - 1-2 year Max Weight 11-15kgs Adjustable anti rise safety strap between the legs for perfect fit.