TWIN OVER TWIN BUNK BED FOR KIDS: Twin over twin bunk bed with ladder; Convertible bunk bed can be transformed into 2 individual twin beds for maximum versatility; Designed to fit any standard twin mattress (mattresses not included); Assembly required QUALITY CRAFTMANSHIP: Crafted of rubberwood solids, engineered wood, and wood composites; Includes fixed 5-step ladder and full-length safety guardrails for top bunk; Top bunk not to be used by children under 6 years of age UNIVERSAL DESIGN: Classic, versatile design is easy to match with any style of kids room or teen bedroom; Backed by a 1-year limited warranty; Please note: bunk bed arrives in multiple boxes, which may be delivered separately