Solid poplar and engineered wood in a Soft Chalk finish.Covered in a child-safe, water-based finish on all sides.GREENGUARD Gold Certified. This low-emitting product has been screened for over 10,000 chemicals and VOCs.Rigorously tested to meet or exceed all required and voluntary safety standards.Mattresses sold separately.Solid spruce wood slats (included).Accommodates standard Twin-sized mattresses for the bottom bunk and bunk mattress for the top bunk; do not use box springs.Arch on one side only.Ladder side is fixed and cannot be moved.Minimum recommended ceiling height: 8′.Made in Vietnam.