Size One Size Material Memory Foam Style Ergonomic Special feature Ergonomic 1. Ergonomic Combination---Computer Arm Rest can reduce wrist pressure, minimize the pressure on the neck, arm and shoulder muscles, several pieces, and can relieve fatigue. 2. Ergonomic Combination 2---mouse pad with wrist rest can support your hand and wrist very comfortably, perfect for gamers, office workers, editorial designers, etc. Our mouse gel pads keep your arms cool and comfortable: our office chair arm pads feature cooling gel top inserts designed to keep your forearms and elbows comfortably cool. 3. Extended Desk Arm: Desk arm is too short, we can help, the limited adjustability of the desk chair can lead to upper body pressure; use our ergonomic armrests as risers to get a better sitting position. 4. 180 Rotation: This computer armrest is self-adjusting. You don't need to use it though. Just set it parallel to the table so it doesn't take up your space. It looks neat and very useful. 5. Easy Installation: Our gaming chair cushion is simple and easy to install, and can be firmly fixed on any chair in just 4 quick steps.