Small size fits calculators & mice. Contoured at a positive angle for wrist support & comfort. Mousing surface is smooth & friction-free so your mouse moves freely. Memory foam conforms to a wrist's shape & temperature to provide a comfortable working experience all day long. Extra-wide mousing surface provides all the space you'll need. Wrist Filling Material: Foam; Mouse Pad / Wrist Rest Type: Mouse Wrist Rest; Color(s): Black; Theme: Solid Color.