Polyform A Series Buoy A versatile, heavy duty buoy made by Polyform and manufactured in the U.S.A. Comes in a large range of sizes and colors Commonly used as a marker or mooring buoy, also makes a great boat fender This product ships deflated. Polyform valves can be attached to an air pump and inflated using: 1) a Polyform Inflation Adapter with any standard tire pump connection, 2) a tapered nozzle blow gun, or 3) a Polyform speciality hand pump. Manufactured as single piece of extra strength, flexible vinyl with a reinforced rope-hold