More informationTrek Certified Service is the ideal solution for sales and maintenance / repair workspaces; Using the same quality materials as used in every U.S. Navy vessel for the past 15 years; A top layer of protector Clear protects the mat against stains and splashes; To maintain anti-fatigue properties, the mats should be replaced every 3 years; Made in Minnesota and measures 36 "" x 72 "(91.5 x 183 cm); See the process of advanced manufacturing at: https://youtu.be/RQ5_dL8M9No; Clean with warm water and a mild detergent; Leave 24 to 48 hours to allow the mat to flatten properly;