With the Secret Sweethearts Pen you can continue to write those sappy love letters without the fear of someone else reading them

Secret Sweethearts Pen, Valentine's Day Secret Sweethearts Invisible Ink Pen with UV Light
With the Secret Sweethearts Pen you can continue to write those sappy love letters without the fear of someone else reading them.
Each 5" (12.7 cm) plastic pen features ink that is made of special high-brightness compounds that are invisible to the naked eye, but magically illuminate when exposed to ultraviolet light.
A black light is conveniently located on the opposite end of the pen, allowing you to read any secret notes sent to you by your lover.

Battery included.
Features:
Insivible ink and will be showed under UV light
Light of pen head could for money detector
Customized printing artwork and packing
Suitable for Valentine's Day gift and secret message
Package:
1 pc/polybag, 1000 pcs/ctn
Carton size, 51*33*22cm
G.W./N.W., 15/14kgs