Kingswell Adult Portable Inflatable Swim Vest Life Buoyancy Jacket Safety Vest for Snorkeling, Diving 60% Polyester and 40% PVC Material Safe: Our snorkeling vest has passed Pony Testing, Made of 210D polyester fabric with thicken PVC inner, Large buoyancy, No smell and non-toxic, Safety to play with Adjustable Waist Strap: 46 inch waist strap,you can adjust its length through the buckle according your weight and height, easy buckles for fast removal,suitable for ADULT WEITHT 80-220lbs Convenient: Zipper design more convenient for you to put on and take off. Lightweight and small size when packing away, the life vest would not take up your luggage space, a little smart companion for journey. Comfortable: Inflatable design on the back neck, comfortable and smooth fabric, mesh back design, breathable & cool, it is very pleasant when you wearing and swimming on it Fast Inflation, Easy Deflation: Press and blow the air valve, quickly inflate the vest with your mouth; Press and hold air valve when Deflating, the valve will be automatically shut down when loosen it,easy to operate .