The Starbrite Maxi-Boom is designed to make your boating fun and ecofriendly. With the Maxi Boom in place, the water from your bilge gets dumped back into the river, bay or ocean, clean and oil free. Thus making your trip environmentally safe, legal and fine free. Absorbs oil, transmission fluid and fuel from engine pan so it can&';t get into the bilge Made of material used to clean up major oil spills Convenient tie downs keep booms in place Special design allows maximum absorption Absorbs up to 2 quarts of hydrocarbons