With an easy and quick assembly, and modern designs at affordable prices, what’s not to love? No need to maintenance, no worry to split, crack, fade, rot and deteriorate. if you meeting some difficult install problem, please contact us. With stairway attached to the bed, this kid-friendly bunk bed offers easy and safe access to top bed. Full-length guardrails attached to the top bed ensures safety and sturdy frame provides stability. The down bed can be converted from twin size to full size, allowing flexible use of it. The stairway comes with two drawers, along with the space-saving staircase and inseparable under-bed drawers with wheels can store away other stuff. Truly an ideal space-saver, this bunk bed is a perfect choice for those in pursuit of being organized. Description: ➡Material:Pine wood+MDF ➡Size:Twin over twin/full ➡Function: Twin-over-twin/full ➡Decoration:Convertible twin/full ➡Numbers of package:3 ➡Spring box:No need ➡Assembly required:Yes Dimensions : ➡Overall Product Dimension :94.4''L*77.7''W*63.6''H(with drawers out) ➡Upper bed:42.4'' x 75.9'' ➡Down bed:42.4''x 75.9'' ➡ (Normal/ stretch):57.5''x 78.7'' ➡Total height:63.6'' ➡Overall Product Weight:228.6lb ➡Upper bed Weight capability:150lb ➡Down bed weight capacity（twin/full）:200lb/ 400lb ➡Upper bed mattress thickness:6'' ➡Down bed mattressthickness :8-10'' Numbers of package:3 Package Size: ➡Package 1: 42.04 * 25.01 * 8.01 inches 85.72lbs ➡ Package 2: 80.71 * 15.35 * 6.30 inches 90.39lbs ➡Package 3: 50.02 * 20.00 * 6.03 inches 65.98lbs