Twin Size Metal Loft Bed with Desk and Storage Shelves, 2 Built-in Ladders & 94507753Introductions: We are glad to give you a recommendation of this Twin Size Metal Loft Bed. Does not need a box spring or additional foundation, a functional and super value bed frame. Metal bed frames is sturdy and durable, which creates a strong foundation for sponge, latex and spring mattresses. Mattress can be put on the slats directly, abandon box springs, you can save more money and time. So what are you waiting for? Just take it home! Features: