edding 8280 securitas uv marker - colourless - 10 pens- round nib 1.5-3 mm - black light marker - for hidden markings on almost any material - security marker invisible ink pen magic pen geocaching 02: 10 Pens - TransparentThe quick-drying ink is easily visible under UV light. The ideal way to label valuable objects in the the anti-theft and security sector. Waterproof wear-resistant ink makes this marker a safe bet for security marking. Also good for marking geocache locations for scavenger hunts with kids and invisible writing. This specialist marker is Made in Germany and features a high-quality aluminium barrel.
