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Optimal design paper tube / Tissue

Optimal design paper tube

1.It is difficult to take the paper tube out of the toilet tissue. It may damage your nails.
2.The design was based on the idea that making two lines of indentations on the paper tube. A small change provides a simple, user-friendly service.
3.You can easily take out the paper tube by tearing it apart. It is very convenient.

University

South China Agricultural University

South China Agricultural University
Guangzhou, China

天 李,
South China Agricultural University