The desk mat is compatible with all laser and optical mouse tracking, making the desk mat the ideal companion product to the Leitz Cosy Wireless Mouse Large 80 x 40cm surface for maximum coverage, with a matte rugged upper surface that can be used as desk mouse pad Contents 1 x Leitz Desk Mat, dimensions (W x H x D): 400 x 2 x 800mm, 500g, Calm Blue, Cosy Range, Cardboard Packaging, 52680061 The desk mat is made from non-slip material so items stored on top will remain stable and be secure, and is delivered in plastic free packaging