40ml of STEALTH INK filled in a Molotow 20ml EM611 marker

- Contains Molotow Flowmaster™-valve, Molotow Sidekick™-Cap and Molotow 20mm T-Style Tip
- Felt-tip is replacable
- Marker is refillable
- Colorless when applied
- Turns into dark brown / black shade
- Appears after contact with UV rays
- Very permanent 
- Almost impossible to buff!

Although Stealth Ink is very thin liquid, Molotow Sidekick™Cap - the airtight high-tech cap - prevents leaking of the content.