Fellowes have created their Crystal Mouse/Wrist Rest with an optical quality mouse mat complete with soft foam pillow that ensures proper hand position while using the mouse. Non-skid backing holds the pad firmly in position by creating friction with your desktop to ensure a sturdy foundation for your mouse.Because the wrist support is attached to the mouse pad it ensures your hand is in the correct position for optimum function, alleviating and preventing aches and strains associated with extended computer use.