Brought to you in collaboration with Pottery Barn Teen. Kiln-dried solid and engineered wood. Solid pine wood slats (included). Covered in child-safe, water-based finishes on all sides. Made with FSC®-certified wood from responsibly managed forests. Ladder is fixed (on the side pictured). A bunk mattress must be used on the upper bunk; do not use a box spring on either bunk. This bunk bed does not convert into two separate beds. Minimum recommended ceiling height: 8'. 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. The Consumer Product Safety Commission recommends that top bunks not be used for children under 6 years of age. Made in a Fair Trade Certified™ facility in Vietnam.