Full Over Full Bunk Bed:This 2 in 1 metal bunk bed offer 2 full size beds for sleep, down bed is floor bed which is super safe for little kids,you can not worry he/she falling off.full-length guardrail of the upper bed make also guarantee the safety.2 in 1 beds make it friendly to small place Metal Bunk Bed:This metal bunk bed is constructed from high-quality steel, which is durable and sturdy for long time use. No Box Spring Need:this bunk bed is made of metal frame, with 12 metal slats for the upper bed and 12 metal slats for the down bed, so Box spring no need, you can put mattress on it directly,Upper bed recommended mattress thickness:6"-8",Down bed recommended mattress thickness:8"-10" Dimensions:full size dimension of Upper/bottom bed: 55.9" x 77.1",Upper bed weight capability:400lbs,Down bed weight capacity:400lbs Assemble and Warranty:Each bed with comes with a clear and detailed assembly instruction guide and all necessary tools are provided to get your bed assembled in no time.Please feel free to contact us if there is missing or damaged part during the process of shipping. See more product details