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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.
SHENZHEN YTLAB TECHNOLOGY CO., LTD
South China Agricultural University