Dangerous Goods or Hazardous Materials：No_x005f_x000D_ Contains Batteries or Cells?：None Height Adjustable】 Driven by the powerful gasspring system when you press the handle beside thetable, the height of this mobile standing desk withwheels can be changed from 28.5 to 42.5 inches inseconds with fast and smooth lifting, which can be agood solution to help you get rid of long sitting and enjoyhealth benefits of the small standing desk - with whichyou can stretch out your legs, better focus while working,reduce your back pain and lose the weight. 【Premium Material】 The mobile laptop desk legsare made of durable thickened steel frames, making thedesk wear well, helping prevent scratches, and ensuringsuperior stability and safety.4 flexible wheels let youenjoy smooth-gliding mobility with silent casters, 2 ofwhich are lockable to keep the portable standing deskstable. The 3600rotation wheels make it easy to moveevenly on the carpet. 【Saving Space】Adopted a combination of single.column structure design and simple base design, whichhelp save space while giving your legs plenty of room tostretch when you sit down. Wheels with brakes allow youto stop wherever you want. You can slide this standingdesk with wheels under your sofa or bed easily. lt willreduce the occupied floor space while ensuring ampleworking space. IVersatile Applications】 This standing laptop deskprovides a collapsible, mobile, and ergonomic workingspace(25.7*19 In/33Lbs), fitting almost any size of laptopor tablet with the keyboard. lt's also perfect forprofessional workplaces like offices, art and musicstudios, libraries, dental clinics, optometrists, anddoctors' offices. IEasy to Assemble】 The packages will come with allthe tools and accessories for quick assembly, whichallows only about 10 minutes to assemble your standingdesk adjustable height with detailed instructions and theinstallation video