[Sturdy Metal Frame] Made of a solid metal frame, the bunk bed is durable and reliable for your bedroom. Surrounding with a high guardrail on the upper bed, no need to worry about safety when sleeping alone.[Space Saving Design] Three beds in one, while this bed provides a solution for multi-person accommodation, it also greatly saves space.[Multiple Storage Space] The 4-tier shelf is both a storage shelf and a staircase. The upper bed also comes with a 21.3" x 39" plank where you can put toys and more. There's spacious space under the down beds.[No Box Spring Required] The wood slats support the mattresses not sliding and increase the service life.[Easy Assembly] All parts included in your package are indicated clearly. With a step-by-step installation manual and pre-drilled holes, you can easily assemble this bed individually. Manual installation is recommended. DescriptionMaterial: Metal+MDFSize: TwinColor: BlackNumbers of Package: 2Spring Box: No needAssembly Required: YesOrigin: C