Twin Size Metal Pull-Out Bunk Bed with Guardrail and Built-In Ladder, Space-Saving Convertible Frame W1671P459794This bunk bed design allows the bed to be pulled out and unfolded, which can help you save bedroom space to the greatest extent. When you need to sleep on a larger size bed, you can pull it out.[Multi functional design] You can customize your bedroom space by separating bed and bed with connecting pipes in the middle [Durable Construction] This adult suitable bunk bed is equipped with a heavy duty metal slat system that supports up to 350 pounds per