Inspected and approved in accordance with US Coast Guard regulations, the Taylor Made Life Ring Buoy is made of unicellular polyurethane foam with an almost indestructible soft vinyl outer skin. Floating polypropylene grab line contains UV stabilizers to enhance resistance to sun and is secured with sewn-in beckets. Cleans easily with soap and water. USCG approved Type IV throwable device. Buoy Diameter: 24"Minimum Buoyancy: 16.5 lbs. Floating polypropylene grab line secured with sewn-in beckets Cleans easily with soap and water USCG approved Type IV throwable device | Taylor Made 24" Life Ring in White