Attention: attaches to a computer desk up to 5.0cm (1.9inch) thick ( check if suit for your desk)Ergonomic human engineering design, rotate according to your requirment, protect wrist commendably, High Quality ABS plastic, comfortable and durableReduces pressure on wrist, minimizes strain to the muscles and tendons on the neck, arm, and shoulder and also decreases static strain and fatiguePerfect Computer Arm Support or office, work or play, a valued gift for parent, kids, friend or anyone in your lifeBehind simplicity, the pad hides a few useful tricks. It can be adjusted to the position and while the forearm is placed on top the pad locks itself in place.It allows for stability when using a mouse. When not in use it can be turned completely sideways allowing an easy access to the chair. An interesting feature of the pad is that the pad can be lifted and completely removed.The pad is most affordable armrest. It's a great addition for keyboard use as well. Two units can be installed (one on each side of the keyboard) to give complete support to forearms.The armrest is extremely portable and installs simply and quickly. It can be disassembled in seconds and can be carried in a briefcase or computer bag. The pad has been extensively tested for strength and we are confident that under normal use, it will not crack or . Size: 11.4*5.5*0.8 Inch, weight: 0.55lbcolour: blackMaterial: ABSPackage Contents: 1 * Board1 * Clamp1 * ScrewOnly 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.