What's Included? Slat Kit Included Bookcase Included Guardrails Included Built-in Stairs Included Detachable Guardrails Included Drawers Included Shelves Included Product Details Frame Material: Solid Wood Product Type: Bunk Bed Box Spring Required: No Mattress Included: No Trundle Bed Included: No Adult Assembly Required: Yes Slat Kit Included: Yes Weight Capacity Bottom Bed or Futon: 400 lb. Weight Capacity Top Bed: 400 lb.