Description: Premium Material: This bag is made of high quality durable PVC material, has resistance, durable to use. Great Buffer Effect: This boat bumper has a great buffer effect, helping to protect boats and docks from damage caused by heavy collisions between hard surfaces. Reinforced Eye Holes: Boat docking bumpers, with reinforced eyes at the end, can be hung vertically or horizontally, easy to install and remove and help your docking boat attach more firmly to your boat. High Perofrmance: Pontoon boats, anti-collision and abrasion-resistant, so strong enough to withstand external force extrusion. Wide Applications: This inflatable boat bumper is great for docking, yacht, sail boat, kayak, pontoon, speedboat, etc. Specification: Product size: (optional) G0: 11cm x 40cm/4.33 inch x 15.75 inch G1: 14cm x 50cm/5.51 inch x19.69 inch G2: 16cm x 58cm/6.30 inch x22.83 inch G3: 21cm x 68cm/8.27 inch x26.77 inch Thickness: 3.8cm/1.50 inch Material: PVC Package includes: 1 Note: Please allow slight errors due to manual measurement and different monitors.