Artlicious - ULTIMATE 100 Unique Gel Pens Set - Non Toxic & Acid Free - Ideal for Coloring Books 100 unique colors set include colors like Brown, White and Earth TONE colors. Color breakdown by category - 19 Metallic, 4 Standard, 29 Glitter, 18 Neon, 16 Pastel, 14 Glitter & Neon Non toxic, non scented, acid free, will not bleed or skip. Each gel pen holds 60% more ink.