All of these pens use Pigma ink. The archival quality Pigma ink is waterproof, chemical proof and fade resistant. They are great options to add a little color to your Zentangle art.
Sakura Pigma Micron pen 01 Red ink marker felt tip pen, Archival pigment ink pens for artist, zentangle, technical drawing pens - 8 pack of Micron 01
Zentangle Micron Renaissance Tool Set of 12 is tailored specifically to the needs of the budding tangle artist! Zentangle art is a relaxing,
Zentangle Renaissance Tool Set of 12
Pigma Micron Fine Line Design Pen, 0.25 mm - 8 pack
Sakura Zentangle Pigma Micron Fineliners, 6pcs.
Sakura Zentangle Tool Set - 10 pieces – The Journal Shop
Pigma Assort Colored Micron Pens Set 01 .25mm 6 Pieces 30063 - Australia
Sakura Zentangle White Tile-Tool Set A, 10pc Art Kit
Pigma Micron - Sakura of America
Sakura Apprentice 05 Pen – Zentangle
PIGMA MICRON PEN 01 DARK GREEN - The Gilded Rabbit