Zorbolite a proprietary foam matrix hydrocarbon and chemical absorbent. Comparative testing reveals up to 4 times more absorbency than major brand polypropylene or cellulose based products. It will absorb up to 40 times its own weight and still float.\r\n\r\nZorbolite is the official product of the Canadian Government Department of Oceans and Fisheries, "Green Boat Program". Zorbolite may be fuel blended effectively.