Microperm is an ultra-fine line, waterproof, permanent ink pen. It is the same ink used in the IDenti-pen.
Sakura Pigma Micron 01 Pen, 0.25 mm, Black
Sakura Zentangle Renaissance Tool Set - 1 Black Micron Pen 2 Brown
The Only Official Zentangle Sets: Sakura of America offers official Zentangle sets for a meditative art form Express Yourself: Create beautiful art
Sakura Zentangle Tool Set - 1 Black Pigma Micron Pens, 2 Gray Micron Pens, 1 Black Graphite Pencil, 1 Tortillion, 5 3.5 White Paper Tiles - White
Zentangle Sakura Pigma Micron Sets
Sakura Zentangle Pens, Black
MicroPerm - Sakura of America
Add a beautiful metallic sheen to your writing with Sakura Gelly Roll Retractable Metallic Pens. Filled with opaque and archival ink, the pens have a smooth ink flow and retractable format that makes them easy to use anywhere.
3 Count 0.8mm Craft Retractable Gelly Roll Pens | Sakura #50601
Black Micron Pens - PN, 005, 01, 08,10, 12, and Graphic, When we first put our kit together we spent a lot of time exploring various pen and paper
Sakura Pigma Micron® Black Pens - Retail / PN / Single
Sakura Pigma Micron pen 01 Red ink marker felt tip pen, Archival