Features: 100% brand new and high quality It can be easily connected to a computer desk up to 7 cm (2.75 inches) thick. This reduces local pressure on the wrist and eliminates the constant pressure on the neck, arm, and shoulder muscles experienced by many computer users. When not in use, it can be turned completely sideways for easy access to the chair. The mat can be easily lifted and completely removed. Two devices (one on each side of the keyboard) can be installed to fully support the forearm. It can be disassembled in a few seconds and can be easily carried in a briefcase or computer bag. Package Includes: 1x Arm Wrist Rest Specifications: Material: ABS Weight: 360g Size: 31.9x12cm/12.55x4.72inch note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.