Solid Construction ：This Twin-Over-Twin Bunk Bed is made of steel with ultimate strength,which is more sturdy than ordinary iron.The top twin bunk has a weight limit of 250 pounds and the twin bottom bunk will support 300 pounds,Up to 550lb heavy duty that could support any kids,teens or adults. Safety Guard ：The top twin bunk bed is (78 x 42 x 65)" / (198 x 107 x 165)cm (L x W x H) inch,prevent kids from falling;The ladder attaches to the bed is much easier to up and down for your children and added safety simultaneously. Modern Design for Widely Use :Bunk beds for teenagers, In a modern and classic style, Steel Bunk Bed Twin Over Twin can fit different style of furniture. Also, the compact and space-saving design allows the steel bunk bed twin over twin to suit any limited space. You can use it in bedroom, children?s room, dormitory, etc. 2 Twin Bed Frame: This versatile Bunk bed can be separated into two twin beds depending on your needs.No Box Spring Needed,mattress can be put on the slats directly.Meanwhile, the reinforced hardware and thickened steel pipe enhance the stability and sturdiness. Memory Foam: Latex or spring mattress can be placed directly on the bed frame without using a spring box. The wooden board can provide enough support for the mattress, prevent the mattress from sagging, and extend the life of the mattress. See more product details