Description This computer desk extender is well made of premium material for durable and practical use. With precise design, it is easy to install and use. It can effectively reduce pressure on wrist, minimizes strain to the muscles and tendons on the neck, arm, and shoulder and also decreases static strain and fatigue. Feature - Color: Black. - Material: Plastic. - Size: About. 29 * 13.5 * 2 cm / 11.42 * 5.31 * 0.79 inch (L * W * H). - surface pad provides extra comfort. - Can be attached to desks or chairs. - Fully adjustable 180 ball joint is adaptable for left or right hand users. - Effectively contribute to promote the blood circulation. - Perfect for home and office use.Package list: 1 * Rotatable Computer Armrest Adjustable Arm Wrist Rest Support for Home and Office (Black)