["Invisible Pen with UV Light Secret Message Pens Pack of 4\n\nbrand new and high quality.\nFeatures:\n 4 pieces Top quality invisible pens ! Batteries included and installed. Pens will come in 4 colors to keep more colorful!\nHarmless and flavorless ink, you can write everywhere: T-shirts, paper, skin and any surface! Healthy toys for your kids and environmental pens !\nThe magic pens can be used widely. Perfect for the RSVP's to wedding invitations, Goody bags for kids party, Make a fun party favor, even using the UV light to check dollar bills. Bringing you an amazing variety of fun, which is also a really great gift for kids and friends\nThis magical invisible ink pen will write your secret message: when your message is written by the pens, nothing you will see , but you can see message clearly with light from the top of the pen .that's the secret message pen.\n\n\nSpecifications:\nMaterial: plastic\nColor: As the picture shown\nDimensions: As the picture shown\nQuantity: 4 Pcs (other accessories demo in the picture is not included)\n\nNote: \nNo retail package.\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n4 x invisible pen"]