Pentel Hybrid Milky Gel Roller Pen set of 8 08mmAdd a bright pop of color to your artwork, crafts, or letters with this pen! The 0. 8 mm tip creates a smooth line of opaque ink that is soft like pastel ink and vibrant like neon ink. It shows up well on both light and dark paper and can even be used on glossy photos. The gel ink is acid free and scrapbook safe. This bundle includes all seven colors: Pastel Blue, Pastel Green, Pastel Orange, Pastel Pink, Pastel Violet, Pastel Yellow, and White.