This versatile roll good design is flexible to use. The bi-level face pattern effectively allows dirt and moisture to be wicked to the bottom of the mat, away from foot traffic. Green friendly rubber backing has 10%-15% recycled rubber content and has a smooth backing. Can be free laid or glued down with solvent-free adhesive. Premium anti-static 100% polypropylene fiber system will not fade or rot. Certified slip resistant by the National Floor Safety Institute.