Masterfully crafted with solid Meranti woods, MDF, engineered woods and veneers.Oil-based finish on all sides.MDF is an engineered wood that lends exceptional strength and ensures the products structural integrity over time.The use of veneers results in high-quality furniture that has flawless surfaces and consistent color tones that will not be subject to cracking.Box spring is required, standard profile 9″ recommended.Cross-slat (5) support system.GREENGUARD Gold certified. This low-emitting product has been tested for more than 10,000 chemicals and VOCs to contribute to cleaner indoor air.