✦Flash point: v This frame has been conceived with safety in mind and therefore it includes full-length guardrails on the top bunk, secured metal slats and a built-in ladder to climb up and down without any worries. v This twin bunk beds with steel metal frame and slats,which is more sturdy than ordinary iron. v High safety guardrails of the top bunk prevent the family from falling. That will allow you to sleep safely and sleep tight over the night. v Ultimate space saver, ideal for small bedrooms as it fits three standard twin size mattresses (sold separately). Trundle includes four (4) easy-glide casters – 2 locking and 2 non-locking. v [Separate into 2 Twin Beds] Versatile Bunk bed can be separated into two twin beds depending on your needs .Weight Capacity:250 lbs for upper bed, 350 lbs for lower bed,250 lbs for trundle bed. Weight & Dimensions Overall Product Dimension: 78.1"L x 41.4"W x 65.3"H Detail Product Dimension: Please refer to the Size image Number of Package: 1 Package Dimension: Please refer to the Specification Overall Product Weight: 95LBS Package Weight: Please refer to the Specification Weight Capacity Upper bed: 250LBS Bottom bed: 350LBS Trundle bed :250LBS Recommended Mattress Thickness Upper bed: 6" Bottom bed: 8" Trundle bed: 6" Specifications: Product Type: Bunk Bed Size: Twin-Over-Twin Color: White/Black/Silver Material: Metal Box Spring Required: No Number of Slats Upper bed: 21 Bottom bed: 21 Trundle bed :19 Assembly Required: Yes