Remove the extra water that always seems to accumulate in the bottom of your boat with the NRS Deluxe Boat Sponge. Whether you're charging rapids or paddling through choppy lakes or seas, this sponge absorbs up to 24 oz. of water at a time and lifts sand and debris along with it, keeping your kayak dry and clean. Perfect for keeping the bottom of your boat clean and dry Absorbs up to 24 oz. of water at a time Lifts sand and debris