Zebratown Discolor Gel Ink Ballpoint Pens [1mm] 12-colors Pack (12+6) Pack:12pcs/6pcs Premium quality, fine ballpoint 1mm tip. Doesn't smear, fade or skip - just glides on for perfect free-flowing sketching, doodling, coloring and writing. Non- toxic and acid free. Safe for kids and keeps them entertained for hours. Ideal for journals, scrapbooking, greeting cards, party invites, crafty DIY, zentangles, nail art and more. Perfect gift idea for budding artists, students and teachers. Size:6inch