Barbour Plastics Dock Bumper F92323 White. 3-5/8 inches x 2-3/8 inches, Produced from superior quality, marine grade flexible vinyl: the finest UV fungicide inhibitors are added to long life. Our dock bumpers are made in specifically designed shapes to suit any dock design or impact resistant requirements. They can be screwed, nailed or bolted in place. Sold by the Length: 10 feet. Can only be shipped via Truck.