Style: with Wrist Rest Can be attached to your desktop or chair armrest simply and conveniently. Proper use of the arm rest significantly reduces the amount of postural stress that people experience when using their mouse. Minimizes strain to the wrist, arms and shoulders. Can be easily rotated 180 degrees out of way. Easy to assemble, no need of any other tools. Perfect computer arm support for home or office, work or play. Type: Computer Arm Rest Style: Universal Features: Hook and Loop, Arm Support, Rotatable, Easy to Apply colour:black Material:ABS size:Hand rest: 45.8 * 18cm Adjustment clip: 14 * 9.5 * 8.7cm Package Contents: 1 * Computer Arm Rest(Mouse Not Included) 1 * Adjustment clip Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.