Full Throttle - Cove Cushion - Blue - 11000050099918. The cove cushion is non-USCG approved flotation cushion providing a floating seat with backrest for relaxing in the pool or lake. The cove cushion doubles as a boat fender/bumper to protect your boat. Comes with convenient carry handles. In blue.. Non-USCG approved cushion providing a floating seat with backrest for relaxing in the pool or lake. Doubles as a boat fender/bumper to protect your boat. Great to sit on for extra cushion while paddling your canoe or kayak, or added cushion for your boat seat. Convenient carry handles