Colour:grey Material: rubber,clothDiameter:20mm (8 inch)Thickness:3mmfashionable and novel, to prevent the surface reflection a convenient mouse sensor system to calculate the plane of the moving vector.Note:The product does not contain the mousePackage included: 1 x Mouse padNote: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
