WRITECH Dual Color Retractable Gel Pens, Assorted Ink Pairings. This dual color retractable gel pen set includes 4 gel pens with two ink colors in each pen, giving writers more color options without switching tools. The pens feature an oval-shaped refill for larger ink volume, quick-dry smudge-free gel ink, and assorted hyacinth/iris blue, coral pink/leaf green, turquoise/azure, and apricot/coffee gel ink pairings for journaling, studying, planning, and everyday writing.