This velvety, soft, smooth charcoal is ideal for sketching smoky grays and blacks for soft charcoal drawings and layouts. As a drawing and sketching material they create velvety black marks - from uniform lines to rich fills. They also lend themselves to blending and shading in a variety of gradations.Details:Approximate diameters of sticks are 3 to 4mm24 packs (6 soft charcoals per pack, 144 total charcoals)100% natural productNon-staining