T&F 1 Pc Invisible Ink Gel Pens Multifunction Security Marker LED UV Light Magic Marker Ballpoint Creative Secret Pen School Office Supplies

Description

Features: It is very useful for detecting counterfeit bank notes. It is very funny by using the UV light to show the secret messages. For some uncetain information, you can use the pen to mark and use the UV light to make checks. Use the pen to make a distinguish when you someone is suspected stealing cash. It is very great for party bags for it can write on paper, card, metal, plastic, glass, tiles, etc.