JIM BUOY 101 Cushion with Vinyl Coated Foam The soft one - unicellular construction of the finest materials provide the greatest comfort with real life saving buoyancy The tough one - our finest exterior vinyl coating resists most chemicals, fuels and weather extremes. Retains its beauty and flexibility under constant Use. 1 inch poly-propylene webbing loops pass through the cushion body - can't pull out The clean one - the smooth vinyl surface and neat design stays cleaner longer and is easier to clean when soiled United states Coast guard approved type IV, PFD; U.S.C.G. App. #160.064/1228/1