Wholesale 3 Color Spy Pen with Secret Writing

This spy pen combines multifunctional writing with covert features, offering three retractable ink colors—blue, red, and black—alongside a hidden UV ink marker. A built-in UV light embedded in the cap reveals invisible messages written with the special ink, enhancing interactivity in a compact design. The pen body is constructed from durable plastic for repeated everyday use.

Each unit features a side-click mechanism for color selection and a separate barrel section for the UV ink. ...