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Bamboo is an environmentally friendly material. The outer part of Bamboo & Rubber is made of bamboo, while the inner part is made of rubber.
This design takes advantage of the flexibility of bamboo material, which expands the capacity of the bottle. Besides, as the liquid inside is running out, the bottle gets smaller and thus reminds you to supplement in time.
Zhejiang University
Hangzhou, China
Shan ZHANG,
Zhejiang University
Mengdie HUANG,
Zhejiang University
Wenjing JIN,
Zhejiang University
Yu FU,
Zhejiang University