This Loft bed is made with sturdy metal that is stable and durable and with 11 metal slats for upper bed, the maximum weight capacity of upper bed is 400lbs. The product is made of lead-free steel frame and wooden steps, providing them with enough space under the double mattress, which can be used to build a fort or create a comfortable reading corner. Overall Product Dimension:78.1"L x 41.4"W x 44.5"H. This loft bed includes fun storage steps which can turn any bedroom into a playroom, while keeping everything organized. Bed comes with full-length guardrails which is used for preventing the child from falling from the loft bed and provides all-round protection. The height of the safety fence on the bed is 13.6". In addition, the two storage steps makes it easy for kids to climb up and down. Storage steps provide a perfect place to neatly store toys and books when they are not being used to keep your child's room clean. The height of the space under the frame is 30.9", Provide children with extra storage and play space.Weight & DimensionsOverall Product Dimension: 78.1"L x 41.4"W x 44.5"HNumber of Package: 2Overall Product Weight: 105 LBSWeight Capacity: 400 LBSRecommended Mattress Thickness: 4" - 6"Size: TwinColor: Brown/Pink/BlueProduct material: Steel +MDFBed slat material: SteelLevel of Assembly: Full Assembly NeededNumber of drawers/shelfs/desks: 2Number of Slats: 11