cotton willow charcoal sketch charcoal painting charcoal bar traditional chinese painting sketch carbon strip handmade for art students

18 pcs cotton willow charcoal 2-4mm (about 12cm in length) 12 pcs cotton willow charcoal 4-5mm (about 12cm in length) 10 pcs cotton willow charcoal 5-7mm (about 12cm in length) 6 pcs cotton willow charcoal 7-9mm (about 12cm in length) 8 pcs cotton willow charcoal 3-8mm (about 12cm in length) 18 pcs cotton willow charcoal 3-5mm (about 12cm in length) 25-piece pack of cotton willow charcoal sticks, 2-4mm 25-piece pack of cotton willow charcoal sticks, 4-5mm 25-piece pack of cotton willow charcoal sticks, 5-7mm 25-piece pack of cotton willow charcoal sticks, 7-9mm

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