Feature
1.100% brand new and high quality
2.Suitable for Drawing Pen

With built in Ultra Violet Light, Kids will write plenty of secret messages to each other and its not visible to the naked eye turn the if you write on the papers, it can stay on permanent; if you write on the metal or plastics, It may couldn't last long, because it will be erased easily due to the characteristic of the metal and plastics.

1.material：plastic
2.color：As the pictures shown
3.size：as the picture shows

Package include:1pc

Note:
Please allow minor error due to manual measurement.
The colors may be a little difference for the different monitor display.

What is an invisible pen?
Invisible pen refers to a pen whose writing cannot be seen under normal light, and can only be seen under ultraviolet light. Generally used to mark objects or write sentences that you don't want people to see easily.

Instructions
First use this pen to write anywhere, and then use the effects of ultraviolet radiation, heating, etc. to show the handwriting.

Note: Do not write too deeply, otherwise it will leave a mark on the paper.

The main function
1. You can write any of your secrets without being seen by anyone.

2. You can mark your items without destroying the appearance of the object, and at the same time you can easily distinguish it from other similar items.

3. When holding various exhibitions, make invisible marks to clarify the order of your equipment and items.

4. You can make short-term tattoos on your face or arms to become the focus of disco and pub.

5. As a gift to your friend, give him (her) an unexpected surprise.