Designed for babies 9 to 25 pounds (4 to 9 kg), the Level Six Puffer floatation aid will effortlessly float your little swimmer onto their back for safety if they ever fall in the water. Comfortable flotation for babies too small or young for "regular" life jackets with 3 piece collar design for head support in the water An integrated tri-webbing adjustment system for a custom fit as your child grows: Three buckles: one at lower front (to make diaper changes easier), two at shoulder straps for easy on/off by an adult. Adjustable waist strap. Soft and stretchy 80% neoprene / Shell 20% polyester material Note: This vest is not USCG or Transport Canada approved since there is currently no testing standard to certify PFDs for children under 9 kilograms (20 pounds).