Tegeme 4 Invisible Ink Pen Set 2 Invisible Marker 2 Blacklight Flashlights with UV Black Light Markers Disappearing Ink Pen for Secret Notes Holiday Gifts Favors(21 LED)

Package Contains: you will receive 2 UV flashlight(batteries not included) and 2 invisible ink markers; Customers can write their secret messages on paper that will only be revealed under UV light; Whether it's for spy games, family gatherings, these mysterious tools will inspire their imaginations Safe and Reliable: our black light flashlight is made of aluminum alloy, which can accompany customers on every adventure; The disappearing ink pen uses safe ink, allowing customers to doodle on their skin or clothes as they like, which can be washed off easily and happily Portable Design: the invisible ink pen measures 5.75 x 0.43 inch, making it easy to fit in a backpack, while the uv light flashlight is only 3.82 inch long and comfortable to hold; customers can create, doodle, and record secret thoughts, which adds endless fun to activities such as escape rooms, treasure hunts, riddles, and detective games Multipurpose Use: this blacklight pen can be applied to draw on a variety of surfaces such as clothing, paper, walls, skin, etc. It can also be applied as a gift bag filler; The uv flashlights can detect animal urine, pet stains and food stains, and can also be applied to verify the authenticity of currency Usage Instructions: our invisible ink pens are invisible and colorless under normal light; To discover their magical brilliance, you need to use them in a dark light environment; Please note: this product does not include batteries, you need to prepare 3 AAA batteries yourself
Features:

UV flashlight and pen set
Customers write secret messages on paper that only become visible when exposed to UV light. Imagine customers playing spy games with their friends and using this pen to create their own secret world!

More Occasions:
This invisible ink pen favors are suitable for gift bag fillers and rewards, and can also be applied to detect animal urine, pet stains, food stains, room cleaning, easy currency verification, checking for gas leaks, and more.

Specifications:
Quantity: 4
Material: aluminum alloy
Color: black
Size: (about)
Invisible ink pen: 5.75 x 0.43 inch
Black light UV flashlight: 3.82 inch

Package includes:
2 x Black light UV flashlight
2 x Invisible ink marker

Notes:
Manual measurement, please allow slight errors on size.
Due to the screen display, the color of the item may differ slightly from the picture