KEY DETAILS Interior plywood frame. Made with FSC®-certified wood from responsibly managed forests. Covered in your choice of fabric upholstery or vegan leather. Accommodates a standard-sized Twin trundle mattress (sold separately). GREENGUARD Gold Certified . This low-emitting product has been screened for over 10,000 chemicals and VOCs. Drawer slides on metal glides. 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.