[Dual Use Pen]: A secret message is written with this invisible ink pen, only can you see it until shining it over where you wrote. Also used as a ballpoint pen. Very interesting and convenient to use.
[Built-in UV Light]: The spy pens have the UV light installed in the cap so you don't need to buy a spare light, which also comes with battery in it, very convenient to use.
[Safety Invisible Ink Pen]: Harmless and flavorless ink, You can write everywhere:T-Shirts, paper, skin and any surface.The inks is durable but washable. very safety to use.
[Widely Used]: Perfect for the RSVP's to wedding invitations, Goody bags for kids spy party, Make a fun party favor, even using the UV light to check dollar bills. Blue ink pen can be used at our daily life, school and office. Bringing you an amazing variety of fun, which is also a really great gift for kids and friends.
[Pen Specification]: One pen with dual use: invisible ink pen and ball pen. Pack of 4, Each pen is 6' long, One pack includes 4 pieces and comes in 4 different colors( Blue, Green, Yellow, Pink).

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 4.72 inch
Height : 0.63 inch
Length : 9.49 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 0 ounce (View shipping rates and policies)

ASIN : B06XSBNBTQ