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Green paper hanger is a kind of solution. They could put it in their luggage or baggage. When they want to use it, they just need to roll and knot it. They could put it in many places. This green paper in not only environmental protection, but also is waterproof. They could put the wet clothes they wash in it. After using, they could roll it as a stick or unfold it as a flat paper, and put it into the luggage or baggage.
Chaoyang University of Technology
Taichung County, Taiwan
I CHUN HSIEH