3M Precise Mouse Pad Enhances the Precision of Optical Mice , Non-SkidFoam Back Precise™ surface enhances the precision of optical mice at fast speeds. Foam mouse pad with non skid backing keeps mouse pad in place, 9" x 8" with Bitmap design. MP114 BSD1 Precise™ surface enhances the precision of optical mice at fast speeds Foam mouse pad with non-skid backing keeps mouse pad in place Works great with an optical mouse or standard ball mouse Bitmap design 9" x 8"