Made of strong metal frame that includes full-length guardrails,an integrated ladder, and 21 secured metal slats to ensure that you will sleep in complete security and stability. Sturdy bed slats, no need additional box spring.Mattress sold separately. Two built-in ladders for a more convenient choice. There are two wooden triangular shelves and a large desk under the bed for children to learn and place school supplies. 58.3inch under-bed clearance that you can turn the space into a clever workstation, a reading nook or a craft area. Showcasing guardrails along the length of the bed for extra safety, this must-have bed is a perfect addition to your furniture arrangement.