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 won t 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 behind liquids or fiber residue