Attwood's Dock fenders carry an industry-best lifetime guarantee against splitting, cracking, chalking or deflating. Molded from a lightweight polymeric material that is soft to the touch, easy on hulls and resistant to UV, chalking, splitting and crushing. Double-molded eye ends for extra strength. Seamless one-piece construction. Oval shape and ribbed sides resist rolling against hull. Designed with SoftSide technology Low-profile soft top edge reduces tripping risks and aids in install Soft on hulls White Recessed mounting holes Four 5/16" holes mounting patterns Fits up to 2 3/8" O.D. post Ideal for boat docks and swim rafts