designer's own words:Tree Hanger is a hanger set which especially design for green life style. How to dry the wet clothes by nature without clothes dryer? Wet clothes are hard to dry in such a humid weather. Tree Hanger can expand the whole cloth by it’s breadth of the bottom which can make air circulating easier. Moreover, it is capable of creating an extra space by other modules where you can put those fragile ones flat and nice. Finally, Tree Hanger is also designed that can be fold together tidily, and can also stand on the ground by themselves.