1.size:90x200x80/100cm 2.structure:KD structure,easy assembly 3.Designed for comfortable family life with high quality. metal cot beds1.metal made,durable main tubes are 35mm,1.2 or 1.0 thickness tubes.We can made the bed as your requirement about the tubes2modern we have many designs,you can contact me to get the catalog of our bunk bed.Also,we can accept OEM business if you need. ItemWJH- ...