Flat pack container house is a four-side inner drain system. The bending piece with a slot and aqueduct, which are hidden in columns,work together to make water flow easily out. Even heavy rain won't clog this drainage system.
The expandable container house is two bedrooms and one bathroom design, 100% waterproof, install one house within 1 hour, luxury type with double glass door, foldable awning and completed whole bathroom, include electric and water system.