Corvette Cargo Mat - Classic Loop : 1997-2004 C5Classic Loop automotive floor mats are designed to provide a high quality, economical, custom fit mat in a material designed for durability. The face of the Classic Loop mat is 100% polypropylene virgin yarn. The yarn color is added to the polypropylene, while it is in liquid state, before being spun into yarn. This creates a carpet that is inherently fade, stain and soil resistant. The number of yarn tufts in this low, dense loop mat construction is