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Invisible Self Defense Ring

This Titanium self defense ring with a hidden knife for Female Emergency Anti-wolf Weapon Best Gift for Women /Men. It can be used for style and as a good self-defense tool at the same time. (Please use caution, the blade is extremely sharp!)

Please measure your finger size before buying. 

Ring size: 20mm/19mm/18mm/17mm (Please refer to picture 6 to choose ring size).

Material: Titanium steel (High-quality material that does not fade).



1 x Self defense ring

1 x Gift box



  1. To North America/Europe takes 10~15 days
  2. To Asia takes 8-12 days.
  3. Other countries take 15-30 days, depending on location.
  4. The tracking number will be provided by email.