POSCA paint markers are an excellent multi-surface, permanent marker. They contain water-based pigment ink, which is lightfast, water resistant and will write on almost any surface. The fine 0.9 – 1.3mm bullet tip of the PC-3M produces a steady line and solid colour that gives you the power to customise, create, decorate or mark anything that inspires you. The medium 1.8 - 2.5mm bullet tip of the PC-5M produces neat and precise lines, is ideal for colouring and is appreciated by both professionals and amateurs; its ease of use makes it ideal for beginners to explore their creativity.This pack contains a combination of 12 standard colours in both the PC-5M nib and 12 colours in the PC-3M nibAlso available in a pack of metallic colours