Features and Benefits: Lasts 2x longer than ordinary mats for fewer change-outs, while only absorbing oil and fuels, NOT water. Loves oil. Hates water. Our most cost-effective mat when you only need to absorb oil-based liquids Eight layers of 100% 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 wont leave behind liquids or fiber residue