Add a security code to your documents, certificates, clearances with the COLOP ULTRAVIOLET (UV) Ink. Imprints are invisible in normal light but will glow under ultraviolet light. The UV ink is water-based and can also be used to stamp on customers at entrances to special events, dances, clubs, bazaars, etc. Each bottle is 28ml
COLOP ULTRAVIOLET (UV) Ink
