3M WR209MB Antimicrobial Product Protection - Foam Wrist Rest (Black) The 3M Foam Wrist Rest helps to alleviate the aches and pains associated with hours of typing by encouraging a neutral wrist posture. Showcasing a stylish black design that will match any office decor, this foam-filled wrist rest features a fabric covering that is soft to the touch. An anti-microbial finish inhibits the growth of micro-organisms and helps extend the product life of the wrist rest.