Amazon.com : Croma Katai Fine Dual Tip Alcohol Based Sketch Markers, 72 A/B/C Set, Ergonomic, Odorless, Replaceable Nibs, for Coloring Manga, Comic, Illustrations Art, Design with Durable Portable Bag (72 B) :
Croma Katai Fine Dual Tip Alcohol Based Sketch Markers, 72 A/B/C Set, Ergonomic, Odorless, Replaceable Nibs, for Coloring Manga, Comic, Illustrations Art, Design with Durable Portable Bag (72 C)