Smooth Mobility Bunk Bed With TrundleSpace saving Design: Transforms from twin to double twin bed with pull out mechanism; includes trundle for total of four sleeping options Safety Guaranteed: Full length guardrails on upper bunk and secure staircase attachment prevent falls and ensure stable footing Convenient Design: Ladder can be positioned on either side to suit room layout and user preference Easy Assembly: Comes with detailed instructions and all required tools for quick setup