... nonwoven mat Oil Absorbent Mats: Made of 100% polypropylene ultra-fine fiber. White color, oil absorbency only, reusable. Can ... factory leakage. Liquid Absorbent Mats: Made of 100% polypropylene ultra-fine fiber. Yellow color, oil / water/ chemical solvents/liquids ... liquids leakage. Universal Absorbent Mats: Made of 100% polypropylene ultra-fine fiber. Grey color, oil / water absorbency. Can absorb ...