Brought to you in collaboration with Pottery Barn Teen. Solid poplar, pine and engineered wood. Covered in a child-safe, water-based finish. Accommodates most standard mattresses; box spring optional. Support slats are included. 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. Made in China.