Dockmate Rafting Fenders offer outstanding protection for your boat and dock. The innovative design means these fenders will stay in place even when the boat rocks. Made with high-impact, closed-cell foam and covered with a sturdy 3-layer marine-grade vinyl, Dockmate Fenders will provide lasting protection. Heavy-duty grommets make them easy to attach. Can be attached to your boat with fender line or suction cups (both sold separately).Large Flat Fender features two grommets, allowing both horizontal and vertical hanging from boat, dock, or post. 30"L x 6"W x 4"D.