The Albrecht Dürer Watercolour Marker from Faber Castell is a dual ended, water based marker that contains highly pigmented ink designed to create fantastic watercolour effects on watercolour paper. Featuring a flexible brush nib and stable fibre tip, this high quality pen is perfect for all over coverage, as well as precision drawing and sketching with no bleed-through on paper.This set contains twenty watercolour markers in a variety of basic colours.Features & Benefits Includes 20 Watercolour Markers Dual-ended Water-Based & Soluble Highly Pigmented Ink Flexible Brush Nip & Stable Fibre Tip No bleed-through on paper