Silver Nitrate Indelible Ink Pen
The indelible ink pen will be used for election , but why you choose it ? There are some reasons you should know.
First, The indelible ink pen is easy to carry and ship.
Second, the indelible ink pen is the same function as the indelible ink, but it is small piece, then can mark many people's finger at the same time.
Third, one indelible ink pen can use for many people.
Fouth, it is not liquid, can reduce the dagerous in shipment.