Description Write Your Secret MessageWrite your secret message with these secret agent pens Turn on the built-in UV light on the cap to reveal the invisible ink - the secret message. * Different color plastic magic pens, but please note that the ink color is the same Safe and Non-ToxicThe invisible pen with UV light is non-toxic, harmless and odorless, safe for your kids Ink glides on and disappears on t-shirts, paper, skin and any surface. Permanent but washable. Note: Children under 3 years old are recommended to use under parental supervision GREAT GIFT FOR PARTY FUNThese UV pens come in packs of 30 and are perfect for kids surprise goodie bags and party bag fillers Adds joy to Christmas, birthday and Halloween parties Ready to Use PackageThe package contains 30pcs invisible ink magic pens per color with built-in UV light. Use it anytime you receive it Note: Children under 3 years old are recommended to use under parental supervision Package Included: 10 * Highlighters Note: 1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding. 2. The color may vary due to different monitors, please understand. Hello, please pay attention to your delivery address when purchasing products. If your receiving information (such as: name, street, house number, doorbell/email without name, etc. is incorrect, the order will not be delivered correctly.)