Feature This panel made by particle wood with high glossy finish,very smooth;Welded metal frame provides rock solid stability and durability. Adjust from 21in to 28.7in high and any height between with a manually and secure with the twist-lock knob for an ergonomic and personalized workspace.The desktop desk can be rotated 180 degrees and can be folded when not in use,very suitable for small spaces. 4 wheels to help more easily whenever and wherever.The wheels do pretty good on short carpet and hardwood floors.Takes about 15 minutes to read the instructions and assemble Student laptop desk area is 80cm x 40cm/31.4in x 15.74in.Applies to small space.Small but more convenient to use,great use for the side of couch,bed, home office desk,etc. This product requires manual assembly,the required parts are included in the product,there are installation instructions,easy to operateSpecification Weight:6700g Materials:wood Desktop size:80cm x 40cm/31.4in x 15.74in Desktop lifting range:55cm-73cm/21in-28.7in Package Content:1 x DeskInstallation Steps Step 1:Install roller on T-shaped steel pipe Step 2:Install the pull plate, fix it with 5*60 big pointed screw, with nut facing in the same direction Step 3: QQ bracket is sleeved on both ends of the circular support rod Step 4: Fix the desktop with the shortest screws Step 5: Connect the desktop to the stand and fix it with plum blossom handle