Fellowes Gliding Palm Support with Microban Protection, and Mouse Pad, Foam, Black Leatherette (8037501) Patented palm support design glides effortlessly with mouse to encourage healthy, natural movement Palm guide and expanded cushion put any size hand in neutral posture Patented Health-V Channel relieves wrist pressure to help prevent carpal tunnel syndrome Microban antimicrobial protection keeps product cleaner Optical/Laser-friendly mouse pad improves mouse This items packaging will indicate what is inside and cannot be hidden. Health-V Channel Relieves Wrist Pressure To Help Prevent Carpal Tunnel Syndrome Glides Effortlessly To Encourage Healthy, Natural Movement Flexible Harness Keeps It Attached To Mouse