http://www.100-gift.com/rss/172/1752/Invisible-UV-Pen_1.xml Invisible UV Pen Wholesale,china Invisible UV Pen Suppliers, Manufacturers, Exporters en-us Promotional Gifts Center http://www.100-gift.com/custom_product/172/1752-1/Highlighter-Marker-4890.html custom made,custom-made logo print available,Provide OEM ODM service. http://www.100-gift.com/custom_product/172/1752-1/Invisible-Ink-Pen-4891.html Features: 1) Invisible ink refill 2) Invisible ink is readable with the special light on the cap 3) Uses: amusement, secret messages, invisible tattoos, drawing in the darkness, personalized objects, highlighter and anti-counterfeiting http://www.100-gift.com/custom_product/172/1752-1/Metal-invisible-UV-pen-4892.html The pen is made of metal and the pen' ink is made of special high-brightness compounds that are invisible to the naked eye, but magically illuminate when exposed to the attached ultraviolet (UV) light. Feature: 1) marking your belongings in case they're stolen, 2) keeping your computer passwords secure, 3) sending secret notes, 4) making "special" diary notations, 5) recording pin numbers and access codes