KEY DETAILS Solid poplar and engineered wood in a White finish. Covered in a child-safe, water-based finish on all sides. All wood is kiln-dried for added durability. Rigorously tested to meet or exceed all required and voluntary safety standards. Mattresses sold separately. Solid poplar wood slats (included). Made with FSC®-certified wood from responsibly managed forests. Accommodates a standard Twin-sized mattress for the bottom bunk and a bunk mattress for the top bunk; do not use box springs. Ladder frame is reversible and can be used on left or right side. Includes 3 drawers for additional storage. Minimum recommended ceiling height: 8'. This contract-grade item is manufactured to meet the demands of commercial use in addition to residential. See more . Base has built-in levelers to adapt to varying floor levels. Anti-tip kit hardware (included) is highly recommended to provide protection against tipping of furniture. Made in Vietnam. How to measure for delivery