Onyx InfantChildrens Life Jacket This Onyx Family Series InfantChildrens Life Jacket is constructed of 200 Denier nylon and 150 Denier poly-twill to provide long lasting and durable use. With lightweight flotation foam and adjustable belts with a chest strap, this childrens life jacket is built for maximum comfort and extreme safety and security. Features Leg Strap Pop Up Pillow Grab Strap Adjustable Belts and Chest Strap Lightweight and Durable Flotation Foam 200 Denier Nylon 150 Denier Poly-Tw