The Onyx Nylon General Purpose Life Jacket is an adult universal-sized flotation device with adjustable belts and chest straps that provide a secure fit for users up to a chest size of 52" and 90 lbs. Constructed of a lightweight and durable nylon oxford fabric, it features comfortable large armholes for greater range of motion and is approved by the U.S. Coast Guard as a Type III Life Jacket. Perfect for all types of water activities.