Wood Imported Crisp, modern style, Staircase can be set up at either end of the bunk bed Exceeds federal standards for strength Kid-friendly, Converts to twin beds Steel bolts and barrel nuts Lead-free, Solid post construction, Mortise and tenon joinery Mattresses supported by 14 piece slat kit Ample storage capacity, Storage drawers roll easily on casters Includes assembled staircase, Staircase can be set up at either end of the bunk bed Accepts up to a 9 In. mattress Twin size trundle rolls easily on casters and accommodates up to an 8" twin size mattress Trundle can be place on either side of the bed