[Impact Resistant] : High strength pvc construction ensures superior abrasion and impact effectively withstands friction and collision to protect your boat from damage during mooring or docking.[Waterproof & Ageing Resistant] : Black bumpers feature excellent , water, frost, and oil elastic and , they remain crack-resistant and will not transfer color onto your boat.[Applicable Scenario] : Versatile marine bumpers suitable for various watercraft like yachts, sailboats, and fishing boats. easy to inflate and deflate for transport, with improved air nozzle and strong sealing.[Convenient Hanging] : Two holes design for vertical or horizontal hanging. easy to install and remove, offering flexibility to securely protect your boat at all times.[Strong Buffering Effect] : Crucial equipment to your ship against collisions. provides a strong buffering effect to reduce losses caused by impacts and accidents.Spec:Item Type: Boat BumpersMaterial: PVCSize: 4pcs/setColor: BlackSize: Approx. 21.6x68.6cm/8.5x27 inches (size after inflation, note where you measure)Application: Strong buffer to protect boats from damage or abrasions caused by serious collisions, especially when boats are docked or accidentally hit other boats. The soft and smoother will not leave any marks on your boat. Great to own as a buoy as well.Fitment:For marinas, yachts, sailboats, rowboats, ski boats, canoes, pontoons, fishing boats, buoys, etc.Package List:4 x Boat Bumpers4 x Ropes1 x Instruction Manual4 x Nozzle Pins