The Harmony Super sponge will help keep the inside of your boat dry. This synthetic sponge has a cellulose cover, absorbs up to a liter of water, is resistant to mildew, and is machine washable. It's durable, compact and features a handy tie-in tether sewn to the corner. It can be used in conjunction with a bilge pump on on its own.• Absorbs up to a liter of water
• Mildew resistant and machine washable
• Tie-in tether to keep it within reach
• Dimensions: 9in. X 6in. X 2in.