HO Sports Defender Boat Bumper The HO Sports Defender Boat Bumper is a perfect protector from dings, scratches, and dents on any boat. 1280 marine grade PVC construction allows for a long lasting and durable bumper to last season after season. A repair kit is included for quick on the spot fixes. Inflates to a rigid bumper but is able to be deflated for easy storage. The 2 heavy duty D rings allow for the bumper to be easily connected to your boat or dock. Specifications 22 x 8 Inflatable design