About This 【Space-Saving Twin Over Full Design】Maximizes room efficiency with a twin top bunk and full bottom bunk—ideal for shared bedrooms, dorms, or small spaces—without sacrificing floor area. 【Heavy-Duty Metal Frame】Robust steel construction supports up to 300 lbs on top and 350 lbs below, featuring anti-rust powder coating for lasting durability and quiet stability. 【Safety-First Engineering】9" guardrails and a fixed 3-step ladder prevent falls, while raised edges and non-slip slats secure mattresses (no box spring needed). 【Universal Mattress Compatibility】Accommodates standard twin (75"x38") and full-size (75"x54") mattresses (sold separately); 4" max thickness for top bunk, 8" for bottom. 【Quick Hassle-Free Assembly】Includes all tools, hardware, and clear instructions for straightforward setup—optimized for time-saving installation. Overview Size : Twin Over Full Product Dimensions : 76.8"L x 56"W x 63"H Special Feature : No Box Spring Needed, Slatted, Space Saving Color : Black Finish Type : Painted Material Metal : Style Bunk Bed Frame : Material Metal : Style Bunk Bed Frame Maximum Weight Recommendation 350 Pounds : Item Weight 64.6 Pounds : Maximum Weight Recommendation 350 Pounds : Item Weight 64.6 Pounds