Novelty Invisible Ink Secret Message Pen with Built in UV Light Magic Marker 4pcs

APPLICATION: The invisible pens are suitable for most people, and they are good accessories to make surprise and fun while sharing secrets. APPLICATION: The ink pen can write invisibly secret messages or markings, and only when you shine the light on the message, you will reveal the secret behind. OCCASION: You can write on paper, and the writing will totally disappear when the ink dry; And take out the round paper and press the button on the pen cap to light the writing and make it visible. IDEAL: These invisible ink pens are wonderful presents for Christmas, thanksgiving, birthday, and so on; You also can use them to write a romantic story or other words for your families, friends and loved ones. Good service: If you have any questions, you can contact us and we will reply you within 24 hours.