The Watercolour Marker Outdoor Set from Faber Castell contains 30 dual ended, water based markers in a durable zipper case and elastic straps. The high quality pens contain highly pigmented ink in a variety of colours, designed to create fantastic watercolour effects on watercolour paper. Featuring flexible brush nibs and stable fibre tips, this marker pen set is perfect for all over coverage, as well as precision drawing and sketching, perfect essential for when your out and about.Features & Benefits Includes 30 Watercolour Markers Dual-ended Water-Based & Soluble Highly Pigmented Ink Flexible Brush Nip & Stable Fibre Tip No bleed-through on paper