Premium-quality platform features positive or negative tilt for optimal positioning. Ergonomic design encourages neutral wrist position. Endorsed by the American Physical Therapy Association. Soothing gel filling provides comfortable support. Leatherette covering is soft and easy to clean. Antimicrobial product protection inhibits the growth of microorganisms, such as bacteria, that can cause stains, odors and product degradation. Wrist Filling Material: Gel; Mouse Pad/Wrist Rest Type: For Keyboard; Color(s): Black/Metallic Gray.