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.
Pigma Micron - Sakura of America
Sakura Pigma Micron® - Assorted Sizes and Colors – Zentangle
Pigma Micron - Sakura of America
Pigma Micron Pens by Sakura - Page 1 - AMERICO SUPPLY
Sakura Zentangle Tool Set - 10 pieces – The Journal Shop
Sakura • Pigma micron 01 Black 0.25mm
Sakura Pigma Micron Zentangle 6 Piece Set
Sakura Zentangle Apprentice Pigma Pen offers a fun way to create attractive images and is ideal for learning the Zentangle approach to drawing. Pen
Sakura Zentangle Apprentice Pigma Pen, 0.5 mm, Black, Pack of 12
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 Red
SAKURA Pigma Micron Fineliner Pens - Archival Black and Colored Ink Pens - Pens for Writing, Drawing, or Journaling - Black and Colored Ink - 05 Point Size - 6 Pack
SAKURA Pigma Micron Fineliner Pens - Archival Black and Brown Ink Pens - Pens for Writing, Drawing, or Journaling - Black and Brown Colored Ink - 003 and 005 Point Size - 4 Pack : Everything Else
Pigma® Micron™ Fine Line Black 3 Piece Pen Set
Sakura Pigma Micron Pen - Size 005 - 0.2 mm - 8 Color Bundle
Sakura Pigma Micron Pens 3PK Black 01, 03, 05
Zentangle®|SAKURA COLOR PRODUCTS CORP.