The Atwater Living Callum Metal Triple Bunk Bed is fun and safe! The sturdy metal frame, integrated ladders and secured slats provide stability to give you peace of mind. You will earn more than one “i love you” from your kids after the best sleepovers.Modern and industrial, the metal triple bunk bed was created for the ultimate small space living sleepover. | Built with a strong metal frame that includes secured metal slats, two integrated ladders and full-length guardrails on the top two bunks. | Fits three standard twin size mattresses (sold separately). For best comfort, we recommend a 6” height mattress to be used on the lower bunk.  for upper and middle bunks, ensure thickness of mattress is greater than 4” and does not exceed 6”. Available in multiple sizes and color combinations. | Ships in one easy-to-handle box. Quick assembly required. 1 year limited warranty.