Straight-Edge dock fender, 18″ x 3-1/2″ x 4-1/2″.Attwoods Dock Fenders carry an industry-best lifetime guarantee against splitting, cracking, chalking or deflating.Ideal for boat docks and swim rafts.Designed with SoftSide technology.Low-profile soft top edge reduces tripping risks and aids in install.Soft on hulls.Recessed mounting holes.