This twin-over-full bunk bed is available in tow different sizes of beds within one product. Making full use of limited space, this bunk bed will brighten up your room and save more room to play. In order to add safety, the ladder is attached to the bed and full-length guardrails are attached to the top bed, and the inclined ladder is easier to climb compared with upright ladder. Description Material Pine wood+MDF Size Twin/Full Color Gray Function Twin-over-full Numbers of Package 2 Spring Box No need Assembly Required Yes Dimensions Overall Product Dimension 78.7''L*55.9''W*62.3''H Package Dimension Please refer to the Specification Upper Bed 42.4'' x 75.9'' Down Bed 55.9''x 78.7'' Total Height 62.3'' Overall Product Weight 134lb Upper Bed Weight Capability 400lb Down Bed Weight Capability 400lb Upper Bed Mattress Thickness 6'' Down Bed Mattress Thickness 8-10''