Non-toxic vibrant water-based ink will not bleed through paper. Fine lines are perfect for small spaces and detail work. Durable bullet point fiber tip pens are in a handy reclosable carrying case for easy travel. Leak-proof airtight cap prevents dry out. AP certified by ACMI. Set includes markers in 12 colors: Black Red Blue Green Lemon Yellow Brown Orange Violet Pink Sky Blue Light Green and Light Gray. Colors subject to change.