For use inside entrances with heavy traffic, NOTRAX Barrier Rib™ Carpet Mats have unique molded dual-ridge horizontal rib pattern effectively scrapes dirt and moisture from your shoes. Invisible Aqua Dam™ border works to retain moisture keeping floors clean and dry. Tufted yarn with anti-microbial treatment. Rubber non-slip backing with cleat design keeps mat in place under the heaviest traffic. Carpet fibers are treated with an anti-microbial agent. Recommended and approved as part of the GreenTRAX™ program. Made in USA.NOTE: Custom-cut mats up to 60' long are available, call a Certified Product Specialist to order.