Zebratown Glitter Gel Pens from Color Technik, Set of 48 Professional Artist Quality Pens Gelpen Ink for Art (48) Coloring and Craft Pen Set for Adults and Kids, Enhance Your Adult Coloring Book Experience Now It Will Make Your Pictures Sparkle & Shine, Have a Smooth Ink Flow For Smoother Coloring & Writing. Strong Durable Tips that produce perfect lines, Acid Free, Non Toxic. Ink comes out smoothly, Writes very well, Dries quickly,Once dry, doesn't fade or smear,Colors remain vibrant and bright, Smooth and rich in color We collect all the popular colors together and make each not single to avoid the refill of being used up quickly. WHAT CAN I DO WITH THEM? Great question... Gel Gliders are ideal for journals, scrapbooking, adult coloring books, greeting cards, diary, journal, decorating, party invites, writing, DIY, zentangles, nail art, general crafting, tattoos and more. Perfect gift idea for budding artists, students and teachers.