Marie's 25 pieces of willow charcoal (length 5.31 inch, different thicknesses 0.08 inch - 0.16 inch) - C7330-25 (US) Perfect for drawing and sketching! Length: 5.31 inch (13,5cm) Dry and smooth for smooth, fully smudgeable lines or areas A great gift for friends and family - and of course for your personal use!