MeltBlown Mat Roll with HighLoft Technology quickly absorbs oil for economical, effective cleanup of petroleum-based spills on land or water. MeltBlown polypropylene fibers are left in their natural hydrophobic state. These hydrophobic fibers repel water (and float) while only absorbing oils and other hydrocarbons.Medium weight roll absorbs about 41.2 gal. per package. Measures 30 inches x 150 feet.