Legs and feet sometimes need a little extra cushioning. With this Industrial Smooth Double Sponge Anti-Fatigue Mat, you have a medium sized heavy-duty anti-fatigue mat that can withstand the pressure from casters on rolling chairs and even sharp stilettos. It's strong, supportive, durable matting for stand-up work. Mat surface is 3/16" thick and puncture-proof, making it durable enough to withstand tough treament. Features a thick polymeric sponge cushion to keep you comfortable and lessen fatigue and beveled edges to reduce tripping hazards. A must at your stand up desk.