Caster wheels, more convenient. Three-way protection,three-sided prevents the computer mainframe from falling. Designed with brake lock, the front two wheels can be locked by brakes to ensure stability on the smooth ground. Delicate details, high quality. Strictly selected ABS material. More way to use, not only a computer bracket, but also a pot plant holder, easy to more, simple and beautiful. Colour: black Material: ABS Size: 23 * 44.8 * 1.5cm Package Contents: 1 * Computer Stand Only 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.