Feature: 1. Protecting the Hull: Ship fenders have a strong buffering effect, which can protect the ship from damage or scratches caused by severe collisions, especially when the ship docks or accidentally collides with other ships. 2. Durable: Made of premium PVC material with a thickness of 3.8mm, it has excellent strength, cushioning, and high glossiness, with UV and chemical resistance, as well as water resistance, frost resistance, oil resistance, and aging resistance. 3. Easy Installation: The dock bumper is easy to install and disassemble, helping you flexibly protect the ship at any time. The elliptical design enhances its impact resistance and wear resistance, and the double hole reinforcement can be suspended vertically or horizontally. 4. Widely Applicable: very suitable for docks, yachts, sailboats, kayaks, skis, canoes, pontoons, fishing boats, buoys, etc. It can prevent salt water or ship cleaning agents from discoloring. 5. Easy to Inflate: The bumpers on the ship will flatten or deflate, and these ship's anti collision ball fenders all have inflation valves. You can control the pressure you want, which is very convenient to use and inflates quickly. Specification: Item Type: Boat Bumpers Fenders.Norm: 2 Pieces/set Material: PVC Color: Black Size:Approx. 4.5 x 16 inches / 11.43 x 40.64 cm (size measured after inflation, pay attention to the measurement position) Package List: 2 x Boat Bumpers Fenders