ZBRANDS // Carbon Fiber Standing Desk Mat - Anti Fatigue - X Large - 20" x 42" Increase Standing Time to 8 Hours Per Day, the Must-Have Standing Desk Accessory Reduce Back Pain and Fatigue up to 50%. Our scientifically engineered 0.75 thickness is designed as the optimal cushion to use both with and without shoes Our textured carbon fiber mat reflects the light dynamically and are designed to replicate real carbon fiber. Keep your office desk battlestation and productivity set-up looking sleek and clean with one of the most important standing desk accessories Unrivaled design meets the office. Our advanced 360 degree beveled edge is designed to prevent tripping for everyday use while working, gaming, browsing or watching a movie! Risk-Free - Backed by our Lifetime Warranty, if you dont increase your standing time or reduce joint pain, simply return with Amazons return policy to get your money back