SmartCells Anti-Fatigue Comfort Mat for Home and Office, Light Brown, with Replaceable Tan-Pattern Carpet-Top Insert, 24-Inch by 36-Inch Available in 3 color patterns (Charcoal, Light Brown, and Grey) to best blend in your home or office setting Stylish and elegant, washable carpet top pattern blends perfectly in any house or office setting Low profile with molded-in rubber transition edging that will not curl or break Same cushioning technology trusted by leading companies such as Amazon, Boeing, Disney, and John Deere to protect standing employees The unique SmartCells structure acts like springs that cushion as weight is applied, then rebound when the weight shifts, which returns energy and reduces fatigue