The Pointliner lines draw clean, in a rich solid black, grey, sanguine or sepia ink. The durable plastic nib does not degrade or split over time like competitive brands. The ink flow is consistent is perfect for shading techniques, such as cross hatching and stippling. The waterproof ink dries quickly and integrates well with watercolor washes. Each pack includes (5) 0.5mm pens in assorted ink colors: 2 black, 1 grey, 1 sanguine and 1 sepia.