Stealth Ink 100 Refill

100 ml / 3,4 oz refill of invisible Stealth Ink

- Invisible when applied

- Appears after contact with UV rays, turns into dark brown / black shade - Super long lifespam, almost impossible to buff!
- Comes in resistant bottle with injection cap to prevent mess during refills !

Invisible Stealth Ink formula is enhances by the UV rays - best by sunshine or any other light. The more your mark is exposed to UV rays, the darker it gets. Direct sunshine works the best, subway lights takes longer - same with summer and winter condition.