Feature●Made up of environmentally friendly paper,suitable for smudging,blending or smoothing pastel,charcoal,chalk and pencil artwork.●Professional sketch rub pencil for drawing.●Can be sharpened with sandpaper block or pencil sharpener.●Can make shadows and dark areas,use to draw pattern and texture,create a hazy effect or use as paintbrush,helpful for your sketch drawing.●Suitable for art students or drawing lovers.Description