Innovative gas spring mechanism allows you to switch between sitting and standing in seconds. Gas spring assist mechanism allows you to raise the desk and your computer with minimal effort. Designed for ergonomic comfort, reducing neck and back strain. This sit-stand desk helps you set your computer and laptop at multiple height according to your comfort, reducing neck and back strain. It moves from a sitting to standing position with ease in a matter of seconds, with premium gas spring assisted lift. No assembly required, just use straight out of the box, and enjoy the health benefits of standing during your work. Premium white tabletop and silver/grey aluminum legs complement your stylish office. 31.25 x 22 inch extra large surface area is large enough to supporting a laptop and a monitor, keyboard, mouse and anything else you have at your computer workstation. The height from 1.3 to 16 inches, you can adjust the table to your desired position without preset height levels. Rubber anti-slip padding keeps the desk steady and prevents scratching your tables. Just open the box and place it on your desk. No assembly required. Comes fully assembled.