1) powder coated metal frame in Q235 steel, 2) desktop and bookshelf in 17.8mm thickness fire-proof board 3) lifting mechanism made of Gaslift 4) desktop can be adjusted at different angle 5) with drawer 6) div height can be adjusted by gaslift To adjust the div lift please press the left handle,lift to the appropriate height release the handle 7) Carton size:116.5*79*46cm 8) Item size L*W*H:110*75*102cm