Polyform prides itself on exceptional engineering and quality control to produce the strongest, most reliable buoys and fenders in the world. Their fenders have a reputation for a blemish-free finish, even wall thickness (no thin spots or voids), a reliable valve system and unique structural reinforcements in critical areas.- Available in 8 sizes- Diameters range from 9 in. to 41 in. - Buoyancy from 13 to 1,345 lbs.- Color choices include classic white, red and black (other colors available, please call for selection)- Dual valves on sizes 5 through 7: One for inflation, another for easy deflation and storage