36 Gel Pens Set by Art Planet with Custom Grip in Vibrant Colors, Perfect for Coloring, Drawing, Writing, and Adult Coloring Books. Long-Lasting Pens That Work. No Bleeding Through Pages. 36 Beautiful Colors including Glitter, Metallic, & Pastel. Professional Artist Quality Gel Pens with Comfort Grip for Smooth Writing. Non-Toxic and Acid Free. Great for Coloring, Writing and Drawing! Art Planet Makes Products That Inspire and Empower People to Create.