DescriptionFeature upper bed is size and bottom bed is. The metal bunk bed constructed with a sturdy quality and thicker steel frame that for stability and durability, make the bunk bed not wobbling and allowing users to sleep soundly.Description & DimensionsProduct TypeMetal BunkOverall Product Weight83.78 LBSWeight Capacity350LBS for upper bed, 500LBS for bottom bed, 250LBS for trundleRecommended Mattress Thickness6'' for upper bed, 8'' for bottom bedProduct MaterialMetalColorBlackAssembly RequiredYesNumbers of Package2NotesManual measurement has been used,there may be some reasonable error.All the pictures are taken by actual samples, slight chromatic aberration may occur due to lighting or display.