FrogLilly Professional Artist Gel Ink Pens Set - 12 Metallic Colors in Sturdy Plastic Case - Ultra Fine Extended Glider Tips for Intricate Detailing, Drawing, Sketching, & Adult Coloring Books All The Colors of the Rainbow In A Hard Plastic Carrying Case - Also comes in a 36ct Multicolor set! Archival Ink won't smear, fade or skip - Long lasting smooth flowing inks in 12 Metallic colors It's All About The Tip! Our Glider Tips write smoothly for perfect sketching, doodling and coloring Ideal for use in the FrogLilly Doodle Art Adult Coloring Book or Scrapbooking, Invitations, Zentangles, Mandala Doodle Art, Crafts, and Creative Nail Art Buy With Confidence - FrogLilly products are the highest quality available 100% Money Back Guarantee.