Ergomat Basic Smooth is a light-duty anti-fatigue mat that will perform well in non-demanding applications like retail counters, pick lines, mail rooms and other typical office functions. Ultra-comfortable mats, that are actually warrantied to last, & bring relief while standing at a retail counters, cashiers stations, light duty assembly lines (dry) and so forth. The Smooth Basic mats will never curl, rip, disintegrate or create tripping hazards. Use in manufacturing, assembly or other inappropriate and unsupported industrial uses is not recommended and will void warranty protection.