SmartCells Anti-Fatigue Comfort Mat for Home and Office, 22-Inch Octagonal, Black 100% portable, the SmartCells Octagonal Anti-Fatigue Mat features molded in rubber edges and handles for your convenience and safety Ideal for single workstations Same cushioning technology trusted by leading companies such as Amazon, Boeing, Disney, and John Deere to protect standing employees SmartCells products are made in the USA and come with an 8-year warranty 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.