Modern industrial design with X crossed design on each side of the bunk bed.Strong metal construction that includes an integrated ladder and full-length guardrail on the top bunk bed.Secured metal slats provide mattress support and breathability. Additional box spring or foundation not required. Mattress sold separately.Perfect small space living beds for bedrooms of any size.Quick assembly. Available in multiple colors. Offered in Twin over Twin size. 1-year limited warranty.Weight limit: 200 lbs for top bunk and 250 lbs for bottom bunk.