Material: Metal+MDF Size: Full numbers of package: 2 Spring box: No need Assembly Required: Yes Overall Product Dimension: 94.3''L*56.5''W*70''H Loft Bed Dimension: 75'' x 54.1'' Total height: 70'' Number of Slats: 20pcs Overall Product Weight: 190lb Bed weight capability: 350lb Recommend Bed Mattress Thickness: 6''