Energy releasing form, stain resistant top surface,retains shape provide supports,anti microbial, anti skid bottom Comfort Mat features a ¾" thick cushion of Ergo-Foam for relieving discomfort, fatigue and pressure while you stand on hard flooring. Protect your feet, knees and back while you cook, clean or work with these comfort floor mats featuring energy-return foam that won't bottom out like other mats in markets, with beveled edges for added safety, a stain-resistant, non-toxic top surface and a slip-resistant bottom. Comfort mats are designed to reduce fatigue caused by standing for long periods on a hard surface.