TUFF END INFLATABLE VINYL BUOYS are excellent for fenders, mooring buoys or markers. Eye end of fender is solid vinyl for extra strength. Built-in bivalve for easy inflation/deflation. Bivalve offers needle valve for football-type hand pump inflation or unscrews and removes for large aperture pumps or quick deflation. Patent pending. Recommended inflation is 2 psi. Diameter - 18". Buoyancy - 100#. Orange.