This twin over twin bunk bed offers a safe and space-saving sleeping solution for kids, teens, and adults. Constructed with a heavy-duty metal frame and solid steel slats, this bunk bed provides exceptional stability and prevents mattress sagging. The low-profile design, standing at 53.7 inches tall, is ideal for rooms with lower ceilings and makes it easier to get in and out of bed. Safety is prioritized with a full-length 11.2-inch guardrail and a built-in ladder featuring a smooth surface for comfortable climbing. The design minimizes noise, creating a peaceful sleep environment. The lower bunk can also function as a storage shelf for blankets or quilts. Dimensions: 77.1''L x 40.90''W x 53.7''H. Weight capacity: 250lbs (upper bunk), 350lbs (lower bunk). Mattress is not included; a 6-8 inch thickness is recommended. Assembly is straightforward with included tools and instructions. Customer support is available within 24 hours for any questions. This bunk bed maximizes vertical space, making it a great choice for families or shared bedrooms. Experience a reliable and stylish sleeping arrangement with this durable metal bunk bed.