Feature:1. Minimize Collision Damage: Boat bumpers have a strong cushioning effect and are vital equipment for protecting boats from collisions and damage, effectively reducing the losses caused by collisions.2. Impact Resistance: Made of high strength PVC, bumpers has good abrasion resistance, impact resistance, and aging resistance, and can withstand friction and collisions between boats and docks for a long time.3. High Performance: Marine bumpers have excellent UV resistance, as well as waterproof, freeze proof, oil proof, elastic and anti aging properties. They will not crack due to cold weather, and they will not fade onto your boat.4. Twin Eyes: There are two holes for vertically or horizontally hanging the bumpers. Dock bumpers are easy to install and remove, helping you protect your boat flexibly at any time.5. Widely Used: Boat bumpers can be inflated and deflated for transportation, which is very convenient. Boat bumpers are suitable for docks, yachts, sailboats, kayaks, ski boats, canoes, floating bridges, buoys, and more.Specification:Item Type: Boat BumperMaterial: PVCColor: BlackSize: Approx. 5.5 x 20in / 13.97 x 50.8cm (size after inflation, pay attention to the measurement position)Application: Marine bumpers have a strong cushioning effect and protect the vessel from damage or abrasions from serious collisions, especially when the vessel is docked or accidentally hits other vessels. The soft and smooth surface will not leave any marks on your vessel.Applicable: Ideal for marinas, yachts, sailboats, rowing boats, ski boats, canoes, pontoons, fishing boats, buoys, etc..Package List:4 x Inflatable Boat Bumper4 x Valve Nozzle4 x Rope1 x User Manual