Each folding leg has 3 knobs which can adjust any height and angle you need. The 360°revolve provides the high flexibility just as human. High strength ABS plastic joint, combined with high-tech screen printing scale, convenient your adjustment. Flexible portable Laptop Notebook desk; Foldable in desk and legs, small in volume, easy to take, easy to use; Desk made of metal with a plastic mouse platform; Legs made of metal with plastic cores Ergonomic design with multi-functional concept; The use of occasions: bed, sofa, table, carpet, meadow, desk, etc. Object: to adults, children, and all the crowd.Two black non-slip baffles can prevent the computer sliding;