Tombow TwinTone Dual Tip Marker 0.8mm and 0.3mm Line Bright Assorted Colours (Pack 12) Marker TwinTone with two tips for creating thinner or thicker lines. Bullet tip with 0.8 mm line width, fineliner tip with 0.3 mm line width. Water-based ink that won't bleed through most papers. Perfect for journaling, sketchnoting, doodling, lettering and much more. Available in 36 colors.