Premium folding rooms are categorized into concave black frame folding rooms and high-end folding corrugated rooms. The Premium Folding House is designed with an interlocking clamp structure to make the house itself stronger. The wall thickness of the Premium Folding House has been increased and the wall material has been further upgraded to make it more durable. The drainage system of the Premium Folding House has also been improved. The lifespan is also longer than the basic folding house.