This durable single layer pre-constructed steel frame building total area is *2.*5 square meters with 6 rooms for vacation house,store,dwellings,shop,workshop,office,restaurant,dormitory,garden studio;It can be installed with 4 - 5 construction workers in 5 - 7 days. You also can customize its area size, appearance and layout base on this house, and this building can be used normally at lease *0 years without any maintenance.