Specially designed to adhere to either Hypalon or PVC inflatable boats. Can be applied directly to the side of the boat. No plastic plate required. High tack, UV-coated, adhesive decals resist fuel, fading and scratches. Characters are 3 1/4″ high and meet the U.S. Coast Guard guidelines when installed correctly. Kit includes 4 sets of letters A-Z and numbers 0-9, for a total of 144 decals.