Amolife - Life is All About Enjoying. This AMOLIFE Twin over Full Heavy Duty Metal Bunk Bed Frame with Stair can support any mattress without adding box springs by meal slats. It is a bed with large volume storage space. All metal structure makes the whole bed has excellent load-bearing capacity. The ladder could be placed on either side of the bed which is convenient for your setup. Heavy Duty Frame of ladder provide the safety for your climb. This bed could protect your peaceful sleep. When sleeping on the solid square frame you can get the ultimate sleep quality. Besides you can place your desk or shelves just under your bed which can save more space for other furnitures like sofa TV stand and so on rationally organizing your bedroom.