Twin Tone Markers have two tips for creating thinner or thicker lines. The bullet tip has an 0.8 mm line width & the fineliner tip has an 0.3 mm line width. The water-based ink won't bleed through most papers so these pens are perfect for journaling sketchnoting doodling lettering & much more. The colours included are: N50 lime green N85 emerald green N15 blue N42 navy N82 grape N22 pink N79 candy pink N77 cherry pink N76 carrot orange N75 strawberry red N41 chocolate & N33 black. Features & Benefits Waterbased ink Dual-tipped Pack of 12