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Invisible Ink: The pens utilize a special invisible ink that is only visible under UV light, allowing for covert messages and security markings.
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Built-in UV Light: Each pen includes a built-in UV light source, eliminating the need for a separate device to reveal the hidden messages. The UV light is conveniently integrated into the pen's design.
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Multi-Purpose Use: Ideal for various applications, including writing secret messages, creating glow-in-the-dark art, security marking valuable items, and other creative writing endeavors.
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Quick Drying Ink: The water-based ink is designed to dry quickly, preventing smudging and ensuring clean and legible writing.
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Mixed Colors: The set features pens in assorted colors, adding variety and allowing for color-coding of messages or markings.
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Plastic Construction: Made from durable plastic materials, ensuring the pens are lightweight and long-lasting.
