This Edding 8280 UV Security Marker Pen is the perfect tool for making hidden markings that are invisible to the naked eye. With a medium nib and transparent ink, this pen is ideal for writing on a variety of surfaces. The pen is waterproof, permanent, and fast drying, ensuring that the marks you make will last for a long time. The pen is made by edding, a trusted brand that produces high-quality office equipment. It is a unit type product and comes in a unit quantity of 1. The pen is made in Germany and has not been modified in any way. You cannot personalise the pen, and it does not come with any custom bundle. Get this security marker pen today and start making hidden markings with ease!