Writes smooth with quick-drying, gel ink. Includes 12 pens with durable tips for general writing & coloring. Smear-free ink flows for superior writing quality. Includes 12 colors: Yellow, orange, purple, pink, light blue, blue, coral, green, mint, white, silver, and gold. Sonlight resource: https://www.sonlight.com/products/12-pastel-color-collorelli-gel-pens