Pneumatic rubber fenders for ship & harbor Size: DIA. 500 X L 1000 mm to DIA. 3300 X L 6500 mm Comply with the requirements of GB/T 3948-2001 standard Color: optional Also make following customer鈥檚 requirement. Detailed used rubber fenders: 1.High shock absorption 2.Less reverse impact on the ships 3.Easy installation 4.More elasticity Marine rubber fender (for ship use) uses compressed-air as medium to absorb the energy from impact.