【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. 【Safety Design】Designed with safety in mind, a full-length lattice fence was installed around the upper perimeter. 【Sturdy and Stable Structure】This bunk bed is made of high-quality metal and has been powder-coated for rust resistance and durability, ensuring long-term use without any worries.