Simply place in the bilge to absorb fuel and oil on the surface of bilge water.
"Bilge Mate" is nontoxic and quickly Bio-degradable when discarded.
"Bilge Mate" is a highly efficient 300 x 180 x 30mm mat which is capable of absorbing 25 times its own weight in fuel or oil but will not absorb any water.
It simply floats on the bilge water and won't sink or disintegrate when full.