More about the product:

• Cargo twin over twin bunk bed aqua finishing is excellent for low ceiling bedrooms. 
• Whimsical shipping container design and sturdy metal frame.
• Features a slat system, no need for bulky box springs
• Mattress not included. 
• • Slat System Included (20+7)
  • Recommended Mattress Thickness: 6" Top, 8" B

Dimension: 

• Material: Metal
• Product Dimensions: 80"L X 42"W X 46"H
• Net Weight: 115 lbs.