Traditional, double-ended, soft paper stomps for blending charcoal, pastels and graphite drawings. A must-have tool for a drawing toolbox. Use sandpaper or sandpaper paddle to clean and re-point. One each of three sizes: size 1 measures 3/16 x 4-1/2"; size 3 measures 5/16 x 5"; size 8 measures 5/8 x 6-3/4". Ideal for classroom use and technique practice.