Pentel Arts Watercolour Pencils Assorted Set of 24 - Pre-sharpened Wood-cased Watercolour Pencils. Use strong pigment colours that make them ideal for creating watercolour style effects. Hexagonal anti-roll body; Colours are extremely vibrant. Break-resistant leads are ideal for precise details in drawings, such as fashion sketches, automotive design illustrations and are great for journaling. Great to use in conjunction with Aquash water brushes; The wood-casing is derived from well-managed forests