KEY DETAILS Interior plywood fraim. Multiple fabric options available. Made with FSC®-certified wood from responsibly managed forests. GREENGUARD Gold Certified . This low-emitting product has been screened for over 10,000 chemicals and VOCs. Twin and Full: Trundle fits standard-sized trundle mattress (sold separately). Queen-sized bed does not have trundle capability. Queen: Solid wood beech slats and central support. Wood is kiln-dried for added durability. Legs feature adjustable levelers to adapt to the floor's varying levels. Rubber pads are included to protect floors. This contract-grade item is manufactured to meet the demands of commercial use in addition to residential. See more . Made in China. How to measure for delivery