About this item

• What You Will Receive: you will get 20 pieces of invisible pens measuring approx. 14cm/ 5.5, with 20 Replaceable Pen Refills, They are suitable for you to make notes.
• Funny Design: the marks of these invisible ink pens are entirely hidden under normal light, but they are highly bright under light; You can use them to write a secret message or mark your valuables.
• Easy to Use and Write: secret pens with light can write private messages on your T-shirts, paper, skin, and other surfaces; When you use this pen to write and wait a few seconds, then open the LED light, you will see the words immediately.
• Make it for Fun: you can draw something on paper with a skin marker, such as the family photo, love, flower, and so on, then let someone open the LED light to give them a surprise, creating some pleasant atmosphere.
• Wide Range of Usage: disappearing ink pens and counterfeit keychains are suitable as gifts for birthdays and theme parties, and can also be applied as accessories for riddle games and treasure games, to get compliments from most people.