3M™ Petroleum Sorbent Pad HP-156 is a high capacity, low profile sorbent pad, that picks up petroleum based fluids and does not absorb water. It can be used to clean up small spills and wipe contaminated areas for routine use. Pads may also be used on a work surface in anticipation of a spill or as a wipe. 100 pads (19 inch X 17 inch) per bale, (37.5 gallons/bale).