The Kayak Sponge works to remove that unwanted pool of water that manages to collect under your kayak spray skirt. It can absorb up to 36 ounces (1.1 liters) of water at a time. Paddling in whitewater or the sea, this sponge will lift out sand and moisture from the bottom of your boat that traditional bilge pumps leave behind. It can be used with a bilge pump or on its own to keep your boat dry and clean. Perfect for bailing water and keeping boat clean, Absorbs up to 36 oz. of water at a time, Removes the last drops of water bilge pumps leave behind, Lifts out sand and water, Model Year: 2019, Product ID: 137818, Model Number: 50035.01.100, GTIN: 0603403162773