SmartCells Anti-Fatigue Comfort Mat for Home and Office with Basket-Weave Surface Pattern, 24-Inch by 36-Inch, Black Available in 3 colors (Black, Light Brown and Grey) as well as 3 size options (2X3, 3X5, and 24X68) to best meet your needs. 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 Same cushioning technology trusted by leading companies such as Amazon, Boeing, Disney, and John Deere to protect standing employees Low profile with molded-in rubber transition edging that will not curl or break SmartCells products are made in the USA and come with an 8-year warranty