This special ink is invisible by daylight, but highly fluorescent under UV-light. This makes the UV-FLUO interesting for art applications, markings and highlighting.The fast-drying ink is permanent and can be applied on all smooth surfaces.

Features
• 1 mm soft-edged brush tip – exchangeable
• color intense water-based special ink
• ready to use
• double patented: patented Capillary-System patent no. DE 197 30 454 IPC B43K 8/04 patented pumping system patent no. 10 2008 050 066
• FLOWMASTERTM pump valve
• refillable
• Made in Germany