- Adjustable Height Tray Table: height adjustable from 26.77" to 33.86" by loosening and tightening the bracket screws. Ergonomic design lets you set the most comfortable position. Slide it under a sofa or bed to save space while expanding usable area. - Sturdy & Stable Construction: this wood standing desk is built with premium E1 15MM chipboard and steel for strong weight capacity and durability. The unique C-shape design and baffle design enhance stability. The wooden tabletop retains a natural texture. - Removable Design and Mobility: rolling end table features 4 smooth wheels with 2 locking casters. You can stop and lock the table to use it as a portable, stand-alone workstation. The removable design lets you place it anywhere, keeping everything within reach when using the adjustable TV tray table. - Versatile Use for Sofa or Bed: the C table is suitable for working, eating, studying, and afternoon tea. It can be placed on the side of a sofa or bed to read or drink coffee, meeting a variety of needs. The standing laptop desk is appropriate for office, meeting rooms, art and music studios, hospital beds, couch and sofa, etc.