Pack & Smooch Mouse Pad with Anti-Slip Backside 100% Merino Wool Felt Gray Mouse pad made from high quality 100% merino wool felt Backside with anti-slip surface (always check to have no dusk on the desk and on the mouse pad backside) Works with most comen computer mouses If you need to work very exact we recommend to use the leather ones (better surface) Stop slipping away on the desk (take care that the desk is dusk free; also the backside of the mouse pad) Pure Merino wool felt (Made in Germany) Anti-Slip coating (backside) Designed to be practical but simple as possible.