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When you stay in a clean place, you never can throw shells on the floor. You know, when you throw shells on the floor, it is hard to clean them. The Hold the Shell package can solve this problem. You can put the shells into a additional bag, and it is easy to open the additional bag. This design can us-
e in the train, airplane, ship and other public place, enjoying your time to eat pistachio and nut.
kunming university of science and technology
kunming, China
pang jun,
kunming university of science and technology
Qufengyuan,
kunming university of science and technology
