Onyx Infant General Purpose Vest is constructed of durable nylon oxford fabric with adjustable belts for secure fit the soft foam contours to your body and won’t hinder your mobility. The vest provides a leg strap, pop up pillow, and grab strap for quick recovery, fits infants less than 50 pounds. Onyx Infant General Purpose Vest is U.S. Coast Guard Approved Type II Life Jacket / Personal Flotation Device (PFD).