Specifications: Overall Product Dimensions: 78.1"L x 41.4"W x65.3"H Number of Package: 1 Overall Product Weight: 71LBS Weight Capacity: Upper bed - 220LBS, Bottom bed - 220LBS Recommended Mattress Thickness: Upper bed - 6", Bottom bed - 8" Product Type: Bunk Bed Size: Twin-Over-Twin Material: Metal Box Spring Required: No Number of Slats: Upper bed - 21, Bottom bed - 21 Assembly Required: Yes Country of Origin: Vietnam Detail Product Dimension Overall Product Dimension:78.1"L x 41.4"W x65.3"H Guardrail Height: 12.4" Ladder Width: 10.63” Bottom Bed Weight Capacity: 350 lbs Top Bed Weight Capacity: 250 lbs Twin Over Twin Metal Bunk Beds Heavy Duty Steel Bed Frame for Boys Girls Adults This bunk bed made by sturdy metal provides extra durability and safety. The twin over twin bunk bed is an excellent space saver. Getting rid of the heavy spring box, extra space under the lower bunk is created for storage. Contemporary design makes it easy to integrate into your bedroom decoration. Solid construction Space saving Fast assembly Read more Side Ladders Both sides have ladders, we abandon the traditional design of frontal climbing ladders, side climbing ladders to make the bed more convenient, both sides are designed to climb ladders to meet the limitations of space. Safety Rail The upper side is surrounded by a 12.4-inch guardrail, without any vacancies, to protect the safety of children in all aspects. Solid construction The bed is made of high-quality steel, so it won’t make any noise and the ladder won’t hurt your kid’s bare feet. Space Saving In a small space to better play the advantages of this bunk bed, occupying a bed area can sleep two people, the height of the bottom of the bed is enough for you to store suitcases or other sundries. Read more