Sakura invented the first gel-based ink and original gel pen in the 1980s, making Gelly Roll a lasting favorite for its creamy, colorful gel ink. The smooth, vivid ink is waterproof, fade resistant, and chemical proof, ideal for checks, legal documents, scrapbooks, and anywhere permanence is key. Gelly Roll pens excel at hand lettering, crafts, scrapbooking, mixed media, highlighting illustrations, journaling, invitations, and cards. The gel ink won t bleed through paper, offering a reliable, bright, and expressive writing experience.