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In many areas of the world, there are perennial invasion of flooding. This needs frequent relocation and no fixed residence. Moreover, while the flooding comes, affected people tend to need a lot of lifeboats. After the flooding, the basic living facilities are needed. The sofa lifeboat is a specialized utility to cope with flooding. While the flood comes, flatten it and fill it gas, and then, it could be used as lifeboat. This could save more lives. After the flooding ends, it could be aerated after bending and used as sofa the temporary living facilities. This could help people spend short homeland to rebuild difficult times.