All of our premium line M.C. Escher computer mouse pads are on Inkless(TM) Canvas - A soft cloth surface, on closed cell neoprene, and is machine or hand washable. Cloth is permanently fused to the neoprene base for durability. Designs are embedded in the pad - not silk screened - and will not wear off or make your mouse skip. 23.8 x 20 cm (9.375 x 7.875 in)