Mildliner Brush is conveniently double-ended with a paint brush-like tip and fine marker in one pen. Mild water based pigment ink is translucent, excellent for layering and doesn't bleed through. The brush tip is like an artist's brush, allowing for thick or thin strokes while the fine tip marker provides more consistent lines. AP certified non-toxic. Colors include blue, blue green, yellow, orange, pink, brown, vermilion, gold, magenta, smoke blue, red, violet, gray, dark blue and green.