inc optimus 24 assorted felt tip pens 0.7 mm medium point for gift card writing, kids, adults, bullet journal planner, writing, note, drawing, craft, art supplies, school or office supplies inc. the optimus is a smooth writing and coloring pen uniquely suited for colorful notes, organizing journals, planners, calendars, and all types of arts and crafts like coloring books and drawing. the pens in the optimus 24-pack feature a .7 mm tip, which creates fine lines, notes, and illustrations with 24 unique color options ranging from warm red to vivid purple and all spectrums in between. these vivid color marker pens are a perfect addition to your school supplies or art supply list with tons of uses from journaling, sketches, and design, to cards, letters, planners, graphics, and a colorful signature whenever needed. you’ll love the value and performance of the optimus felt tip marker pens, from inc the #1 value brand in the usa! 24 assorted colors felt tip pens - black, green, yellow, grey, red, orange, brown, pink, royal blue, purple brown, brick, lime, purple, lavender, rose, bubble gum, melon, magenta, watermelon, plum, aqua, sky blue, turquoise, teal.