"Petroleum Sorbent Pillow are selective sorbent which will absorb Hydrocarbon-based liquids (oleophilic) and repel aqueous-based liquids (hydrophobic). These open mesh bags of particulate sorbent are excellent for handling large quantities of light oil in confined spaces such as sumps, catch basins, bilges, or settlement ponds. Designed for long term use, they are UV resistant and will not deteriorate or sink. Size 5 in. x 14 in. x 25in. 1 per case"