There are millions of counterfeit bills in circulation. This pen allows you to detect counterfeit money before you accept it. Simply mark anywhere on the bill - if it turns yellow the bill is good, if it turns black or brown the bill is a counterfeit.
At Proactive Personal Protection we realize that our success depends on having satisfied customers. So, try our products for a FULL 90 DAYS. If you are not happy with the product(s) purchased, just let us know so we can promptly initiate a suitable resolution.