computer armrest support for desk and chair, sturdy mouse armrest, computer desk extender Not only can prevent "mouse arm", but also bring a better and more pleasant working experience. The simple and comfortable plane can reduce the pressure on the wrist to a great extent, and can eliminate the tension on the tendons on the muscles, neck, shoulders and arms. The very unique design feature of this hand rest is that it can be fixed on a 5CM desktop and supports I8O degree adjustment to adapt to different working environments. Healthy and more comfortable sitting position. The shelf plate and accessories are made of ABS environmentally friendly non-toxic plastic, which has the characteristics of high temperature resistance, corrosion resistance and high hardness. pinned to the desktop Allows you to maintain a specific distance from the computer screen to protect your vision while correcting your sitting posture Colour: Black Size: About 28*12cm Delivery Quantity: 1 Piece