Produced from the best marine grade Vinyl material by use of Provinor's in-house developed Welcotec moulding technology. The specially designed, solid and multiple rib-reinforced ropeholds guarantee the highest breaking strength available. POLYFORM buoys/fenders are designed to stand up to the most demanding use in commercial fishing, aquaculture and for general marking and floatation applications and they are a must for the protection of larger recreational crafts and yachts. White in color 16 inch Diameter.