Multi-Functional Invisible Ink UV Pen

CPN-559717515

Featuring a built-in UV light, it lets you write secret messages, mark valuables for anti-counterfeiting, or verify banknotes with ease. The magic fluorescent ink appears only under UV light - perfect for schools, offices, parties, or promotional giveaways. Durable, creative, and eye-catching, it's an ideal UV detection and invisible writing pen for both professional and playful use.