The Ergo Bubble Mat is a mat for you to stand on while working at your computer. Molded, beveled edges on all sides allow for easy cart access and provide added safety measures. The SBR/Natural blend helps reduce bottom-out effects. Available in two sizes. Purchase an Ergo Bubble Mat along with any of our Adjustable Height Desk units and save $22.00 purchase of the mat. Simply select the  Ergo Bubble Mat of your choice on the Adjustable Height Desk ordering page to receive the discount.