Indelible Voting Election Marker Pen Indelible Marker Voting Indelible Marker Pen In Election Campaign

* Indelible marker, different colors, for election,3-5ml ink inside;

* With sliver nitrate, can't be washed by water;

* Stain at least 96hours. When the ink tipped on the finger, turn to brown color finally;

* Violet color is the best effect.

* Silver nitrate ink mostly to be used for voting and election,the content of the silver nitrate could be 5%, 10%, 15%, 25%...It
can be according to your require, and the more content of silver nitrate contain, the better effect it will be.