These grayish-blue natural charcoal sticks glide softly across paper, rub and smudge easily, and can be erased without difficulty and repeatedly overlaid.
PITT Compressed Charcoal Stix, 3-Crayon Set Soft
Description
Compressed charcoal with soot and clay give the charcoal sticks their deep black colour and produce intense black marks. They are grease- and oil-free.