... adult,colledge,kid 4.modern 2011 new design-metal folding bed 1.metal made,durable main tubes are 50mm,1. ... 2 or 1.0 thickness tubes.We can made the bed as your requirement about the tubes2.color can be ... choosen you can choose any other colors for the bed as you like3.suitable for colledge colledge use,and ... contact me to get the catalog of our bunk bed.Also,we can accept OEM business if you need.