Metal STRONG AND STURDY – With a solid steel construction, featuring a center support beam, and 9 durable legs, this metal bed frame creates a solid foundation that you can rest easy on night after night HEADBOARD ATTACHABLE – Securing any standard-sized headboard (not included) to this bed frame is as easy as ever with the attached headboard brackets DEPENDABLE SUPPORT, SIMPLE ASSEMBLY: Strong, lasting support for any mattress and box spring, plus easy, tool-free assembly with all parts included VERSATILE FIT - Compatible with all Zinus box springs and mattresses; please confirm dimensions before using with non-Zinus products WARRANTY INCLUDED - Included a 5-year limited warranty for the bed frame only; box spring and mattress are sold separately