Specifications:1. Material: ABS Plastic2. Pattern: Solid3. Color: BlackFeatures:1. Perfect Computer Arm Support for home or office、 work or play video games2. Used on your table、 desktop、 or work station3. Compact and comfortable design4. Reduces stress to neck、 arms、 and shoulders、 decreases static strain、 fatigue、 discomfort5. increases blood flow to neck、 shoulders !#!amp!*!amp; wrists6. Can be easily rotate 180 degree out of the way7. Beveled front smoothes transition to mouse pad8. Special rubber pad ensures tight table grip9. Easy assembly、 no tools necessary10. Adaptable for right or left hand usersPackage Included:1 x Mouse Pad SupportNotice:1. Armrests circumference not more than 18 cm、 the desktop can not be more than 5 cm thickness.2. Please allow 1-3cm error due to manual measurement. Please make sure you do not mind before you bid.3. The colors may have different as the difference display、 please understand.