Desky Chair MatDesky Chair Mat If youre tired of catching your caster wheels in the carpet, or you are worried about scuffing or cratering your floor, our chair mat makes a lot of sense. Allowing easy rolling for your chair and protecting your (presumably expensive) carpet in the process, our key shaped mat does both jobs with aplomb. Cut to fit neatly underneath as well as in front of your desk, the key shape allows you to roll your chair right under allowing you