[Iron Construction] Quality tested sturdy iron construction features solid support and heavy-duty strength built in mattress slats - no box spring needed. [Wear-Resistant Finish] Use fine powder coating, wear-resistant formula to protect the surface gloss and prevent wear and tear. [Separate into 2 Twin Beds] Versatile Bunk bed can be separated into two twin beds depending on your needs. [Safety Design] Designed with safety in mind, a full-length lattice fence was installed around the upper perimeter.