RPP-2 28 x 110cm Inflatable Fender RP Series Material: Rotomolded PVC. Center hole for use with rope. Reinforced ends. Molded in one piece. Uniform wall thickness. High resistance to abrasion and sunlight. Smooth surface and glossy finish. Body made of flexible material. Quality plastic valve to ensure a perfect seal. Plastic sleeve to select the diameter of the center hole (45/25 mm).