Product Functions：

In daily life, such as express bill number, daily bill, mail information, etc., which are lost directly, can easily be obtained by criminals and sold personal information. As a result, they often receive spam messages, harassing calls, phone fraud, etc. In office, important documents need to be removed from simple hand tearing or paper shredder, which may be put together. The current security seal only needs to "roll" on the confidential text to cover the original text and protect personal information.

Product benefits：

1. Random code coverage, protect personal account password and other important information!
2. It can be used for envelopes, express bills, statements, and uneven surfaces
3. Simple replacement cartridge design. After the cartridge in the body is used up, you can buy a replacement cartridge to replace it for continued use
4. Large application range, time-saving and labor saving
5. A variety of bright shell colors are available