Overground 3 (Hard cover) Zipit but we do recommend using

but we do recommend using markers that are acrylic based

The ink itself is a non-toxic

parallel double-plate nib structure as the rest of the series — two thin metal plates that distribute ink evenly across the tip so the line stays consistent as the nib angle changes

parallel double-plate nib design as the rest of the range: two thin metal plates set side by side spread ink evenly across the tip

Overground 3 (Hard cover) Zipit but we do recommend usingIn Overground 3 we meet nine of the most influential European graffiti writers. From Stockholm to Bologna, from London to Prague. Nine extreme artists who are all kings in their cities. Master in style and endurance. Featured writers are: Aman (Stockholm), Apollo (Liege), Cakes (Prague), Cave (Copenhagen), Chob (Milano), Clint 176 (Berlin), Oclock (Paris), Rage (Hamburg) & Tox (London). 176 pages, English language, soft cover, released 2008 ISBN: