1 Pc Invisible Ink Gel Pens Multifunction Security Marker LED UV Light Magic Marker Ballpoint Creative Secret Pen School Office Supplies

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🕵️‍♂️ Write, Reveal, and Protect Your Secrets!

This multifunctional invisible ink gel pen features a built-in LED UV light, making it an essential tool for detecting counterfeit banknotes and revealing hidden messages. With its sleek metal design and ambidextrous functionality, it’s perfect for both school and office use, allowing you to write on various surfaces including paper, plastic, and glass.