Product Size: 300 * 140 * 40 mm (11.8 in * 5.5 in * 1.58 in) Ergonomic Combination: Our wrist rest for keyboards can reduce wrist pressure, minimize strain on neck, arm, and shoulder muscles, and has multiple sections that can alleviate fatigue. Ergonomic Combination 2: The wrist support with a wrist rest can comfortably support your hand and wrist, perfect for gamers, office workers, editors, etc. Our ergonomic armrests keep your arms cool and comfortable: our office chair armrests feature cooling panels designed to keep your forearms and elbows comfortably cool. Extended Desk Arm: The desk arm is too short; we can help. Limited adjustability of the office chair may lead to pressure on the upper body. Use our ergonomic armrests as a step-up to achieve a better sitting position. 180° Rotation: This desk armrest is self-adjusting. You don’t need to use it. Just place it parallel to the desk so it doesn’t take up your space. It looks stylish and very practical. Simple Installation: Our mouse wrist rest is easy to install and can be securely attached to any chair in just 4 quick steps.