Zebra Pen Doodlerz Gel Stick Pen with Display Cup, Smooth Gel Ink, 1.0mm, Assorted Ink Colors, 50-Pack (41950)1. 0mm standard point gel ink stick pens in assorted ink colors (Fashion, Glitter, Metallic and Neon) adds fun and flair to your creative projects and writing Water based pigment ink provides never ending possibilities for color coding, sketching and embellishing your works with a personal touch Barrel matches the ink inside, making it easy to spot the precise color you need for the occasion, whether penning party invitations or enjoying an adult