Made from closed-cell EVA foam, these Heavy Duty Flat Fenders won't puncture or waterlog. They're great for docking or rafting. Multiple fenders can be fastened together for a fendering system that suits your needs. The flat rectangular shape means these fenders won't roll up the side of your boat. Best of all, these fenders are compact and stow easily and also make a great seat or knee pads. Hook & Loop as well as tie up line included.