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:Black3mm to 4mm stick diameter24 packs (3 sticks per pack, 72 total sticks)Extra softNon-staining100% natural productCarbonized twigs