Write invisibly secret messages, security markings etc. and only when you shine the light on the message you will reveal the secret behind.
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.
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.
Invisible Ink Pen only, other accessories demo in the picture is not included!
Item Name: Invisible Ink Pen
Length: Approx. 13cm / 5.12\’\’
Quantity: 1 Set
Note: 1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
12pcs x Invisible Ink Pen