Small Life Vest: Kids’ life jacket fits chest sizes of 23 to 24 inches, ideal for keeping young swimmers secure and afloat in the water, User Weight 30-50 lbs. Flotation Device: Personal safety device helps beginner beachgoers build confidence wearing floaters in the water and enjoy learning how to swim Enhanced Security: United States Coast Guard approved Type III youth safety vest provides optimal buoyancy for children during aquatic activities such as swimming, snorkeling, boating, kayaking, sailing, or fishing Comfortable Fit: Vinyl-coated, foam-filled water preserver vest built with super-soft materials for a snug and secure fit Included Strap: Life jacket includes additional bottom strap for added security