The Nature Colors Fineliner Pen Set by Chameleon consists of 6 pens that feature a fine point Japanese precision metal-clad tip for effortlessly smooth finish to your unique writing, colouring and drawing designs.Your Creative possibilities are endless with the water-based ink pens designed to perfectly blend together with each vibrant colour due to the impressive dual ink system which features ink in the pen and the capPLEASE NOTE: Pens must be held upright to allow for the ink in the cap to blend with the ink in the pen. Do not fuse pens and caps for over 30 seconds. Specification Includes 6 Fineliner Pens Creates 16 Colour Blending Combinations Water-based, Dry-safe Ink Bleed Proof Colours: Olive Green, Evergreen, Sand, Taupe, Cinnamon, Bark