1、High Durability: Boat bumper ball is made of PVC material with 3.8mm thick, resistant to saltwater or boat cleaning agents, waterproof, anti freeze, anti oil, and anti aging, ensuring long lasting use. It has excellent strength, cushioning, high gloss, UV resistance. 2、Superior Guard: Boat bumpers provide strong cushioning to protect the boat from serious collision damage or scratches, especially when docking or accidentally hitting other boats. The soft appearance leaves no marks on your boat and can also be used as a buoy. 3、Versatile Application: Suitable for dock, yacht, sailboat, rowboat, ski boat, canoe, floating bridge, fishing boat, buoy, etc. Ideal for outdoor swings. Bring you reliable and professional application. 4、Size Options: For larger or heavier boats, it is recommended to purchase larger boat shield guard. Each boat should have at least 3 bumpers for docking. For challenging docking conditions or heavy boats, additional bumpers are recommended. 5、Safe Docking Solution: Boat mooring buoys offer excellent guard for your boat, preventing damage from collisions while docking or in rough waters. They are easy to install, versatile, and essential for any boat owner to ensure the safety and longevity of their vessel. Item Type: Boat Mooring Buoys Material: PVC Color: Black Head Yellow Anti Collision Ball Wall Thickness: 3.8mm Usage Suggestions: It is recommended to use it together with a 2m anti collision ball rope. Application: Suitable for docks, yachts, sailboats, rowboats, water ski boats, canoes, pontoons, fishing boats, buoys, and can also be used for outdoor swings, etc. 1 x Boat Buoy Ball 1 x Accessory