Zealor 12 Pack Dual Brush Pens Coloring Markers with Ultra Fine Point , Water Based Brush Markers for Adult Coloring Books Unique Design, 0.4 mm ultra fine tip for details, 1 - 2 mm brush tip for coloring 12 Assorted Colors for coloring, red, orange, yellow, green, dark green, blue, dark blue, magenta, pink, black, brown, gray Non Toxic and odorless, water-based ink, great for blending colors Great for adult coloring books, drawing, cardmaking, and art projects etc SATISFACTION GUARANTEED - Customer satisfaction is important to us, so contact us if you have any issues or are unhappy with the product and we will guarantee a resolution