... 2.size:54*34*30,50*30*30 3.usage:laptop use on bed 4.advantage:foldable,adjustable size:54*34 ... *30 is for 14'' laptop 50*30*30 is for 9-14'' laptopADVANTAGES:1.The ... ease, non-slip gear bar so that your books and laptop computers will not be downslipping.2, The fixed panel can ...