New Pig Absorbent Mat Pad, Absorbs Oils, Coolants, Solvents & Water, Lightweight Pads, 14 oz Absorbency, 20&rdquo; L x 15&rdquo; W, Gray (Box of 50), MAT172 Eight layers of 100 percent polypropylene are thermally bonded to make Pig Mat the strongest mat on the market; wont rip, tear or fray even when saturated Exclusive dimple pattern speeds wicking of liquid throughout mat for faster, easier cleanup Highly absorbent, fine-fiber construction won't leave liquids or fiber residue behind Absorbs and retains oils, coolants, solvents, water and more Absorbed leaks and drips blend right in; dark gray color hides grime so mat stays on the job longer