Durable, stain-resistant mats with a unique bi-level design that traps dirt and moisture, keeping your floor clean, dry and safe. Attractive diamond pattern. Raised nubs remove dirt and moisture from shoes and trap it below foot level; water dam border holds up to 1 1/2 gallons of water per square yard, keeping your floors clean, dry and safe. Eco-Friendly PET fabric (30 oz/yard2) is made from 100% post-consumer recycled plastic from drink bottles, and SBR rubber backing contains 20% recycled rubber from car tires. Certified high-traction by the National Floor Safety Institute (NFSI). Reinforced rubber nubs prevent pile from crushing and extend the performance life of the mat. Fade and stain resistant solution-dyed PET fabric is resistant to staining, dries quickly, and will not fade or rot.