A Antimicrobial: No , Backing Material: Thermoflex Vinyl , Brake Fluid Resistant: No , Color: Charcoal , Edges: Straight , Fire Resistant/Fire Retardant: Fire Resistant , Indoor/Outdoor: Indoor , Mat Properties: Incredible Dust and Moisture Retention Properties, Positively Charged Microfibers Attract Hair, Lint, Dust, Keep Them From Polluting The Air , Mat Shape: Rectangle , Mat Surface Pattern: Two-Tone Color , Mat Weaving: Cut Pile , Material: Cut Pile Polypropylene/Microfiber , Surface Material: Polypropylene , Thickness: 1/2"