The Ecoline pens are perfect for illustrations

Drawing pad with black lightfast acid-free 120 grams of paper

Available in eight different thicknesses

The pens are refillable and included in Pilot's BeGreen series

Its broad rubber grip makes it comfortable to hold for long sessions

stabilo pen 68 fiber tip pen colorparade 20 set Painting on stones The Ecoline pens are perfectPack of 20 classic Stabilo Pen 68 felt pens. The pens have a water based ink and a fibre tip that traces 1 mm wide lines, perfect for drawing and writing. The pens can be left without their lids for up to 24 hours and not dry out. Scroll down to see which colours are included in the pack. Stabilo Pen 68's are also sold individually.