Ergonomic Arm Rest | Full Motion | Desktop | with Mouse Pad | Black This ergonomic arm rest offers comfort and support when you are using your mouse. Its design reduces the pressure placed on your wrist and shoulder. The mousepad can be rotated to achieve the perfect position. Details This ergonomic arm rest offers comfort and support when you are using your mouse. Its design reduces the pressure placed on your wrist and shoulder. The mousepad can be rotated to achieve the perfect position. • Soft surface pad - for added comfort and reduced pressure on your wrist and shoulder • 360° rotatable mouse pad - for perfect positioning • Suitable for desks with a thickness of up to 4.8 cm .