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 RestStyle: UniversalMaterial: PlasticFeatures: Hook and Loop, Arm Support, Rotatable, Easy to ApplyLength: 45cm/17.72", Width: 18cm - 12.8cm/7.09" - 5.04" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Included:1 x Computer Arm Rest(Mouse Not Included)