1.material:natural bamboo 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 desktop one can adjust the angle (6-speed, adjustable angle), so the Internet, reading, painting, writing, watching TV with ease, non-slip gear bar so that your books and laptop computers will not be ...