... of someone else reading them Secret Sweethearts Pen, Valentine's Day Secret Sweethearts Invisible Ink Pen with ... UV LightWith the Secret Sweethearts Pen you can continue to write ... of the pen, allowing you to read any secret notes sent to you by your lover.Battery included ... artwork and packingSuitable for Valentine's Day gift and secret messagePackage:1 pc/polybag, 1000 pcs/ctnCarton size ...