Another one .
Details :
This is the genuine disappearing "spy ink" pen,it looks just like a normal pen, but the writing will disappear automatically and gradually within about 1 hour.
Features
- Magic trick: Ink disappears completely within one hour. A great tool for magic trick.
- Versatile use: Widely used in file security, magic show and other security fields. Great for those occasions that you want to say something - temporarily.
- Writes smoothly: Provides smooth and quality writing performance with a popular 0.5mm point size.
- Accessories: Package includes one pen shell, four refills and one pen grip.
These are great for signing cheques