4 pcs/set 11*0.7cm Sketching Charcoal Strips Cotton Willow Charcoal Bars. Features: 100% Brand New and High-quality Feel is Fluent,easy to Color,no Easy to Brittle Fracture It is Mainly Used for Oil Painting, Chinese Painting,sketch,fine Arts Ect It is an Essential Tool for Sketch and Drawing It is the Best Gift for Your Friends The Charcoal Bar is Designed for Drawing and Sketching on Paper. The Charcoal Bar Markings Are Easy to Erase. Specifications: Length: 11cm Color: Black Quantity: 4pcs Use: Painting .