【Heavy-Duty Steel Bed Frame】This twin XL over queen bunk bed features thickened. high-strength steel tubing for enhanced stability and durability. Designed to support everyday adult sleeping needs while maintaining long-term structural integrity. 【Noise-Reducing & Stable Queen Bunk Bed】Upgraded metal slats with secure fastening help minimize movement and reduce squeaking. This queen bunk bed is built to deliver a quieter. more stable sleep experience during regular use. 【Full-Length Guardrails for Added Safety】The upper bunk includes full-length guardrails designed to help reduce the risk of falls. making this adult bunk bed suitable for teens. adults. and guest room use. 【Anti-Slip Ladder with EVA Padding】An ergonomically angled ladder with EVA-padded steps provides a secure and comfortable climbing experience. The anti-slip design improves stability when accessing the upper bunk. 【Easy Assembly & Secure Mattress Support】Clear instructions and labeled parts allow for straightforward assembly. Integrated slats help keep mattresses firmly in place — no box spring needed for this twin XL over queen bunk bed.(Mattress not included) -