A terrific value in flotation vests, the ZUP Life Jacket is made with nylon over closed-cell foam, providing reliable performance with a cool, fresh look. Belts feature sturdy, quick-release buckles for a terrific fit, and the child vest includes a crotch strap for extra security. USCG Approved Type III Flotation Device. Fits 30-50 lb. children. Three belts with sturdy quick-release buckles Crotch strap for an extra secure fit USCG Approved Type III Flotation Device | Zup Child Nylon Life Jacket