Polymat 30 ft x 3.75 ft Wide Backed Black Speaker Box 30ft Carpet Truck Car Trunk Liner, Dash Cover Headliner Wall Carpeting Craft Decor Projects Non-woven Fabric will not unravel  Extremely durable stands up to heavy use Extremely durable; stands up to heavy use Easy to cut, fit, and mold to desired shape or size. Resists stains, mold, and mildew  High resistance to gas, oil, and salt Solution dyed polypropylene for good colorfastness and UV protection