Antimicrobial protection is built into our products during the manufacturing process. It won't wash or wear away & gives the product protection against damaging microbes such as bacteria. Particularly important in areas where computers have multiple users such as schools and libraries, but also ideal for use in the office environment. The fabric material provides a soft textured surface, while also providing a resistant antimicrobial coating to the counter mat. Complies with Prop 65. 16" W x 20" L x 1/16" Thick