COSMOS 2 Sets / 6 PCS Assorted Sizes Colors Blending Stumps, Random Colors 3 sizes of width within: 3/8" Dia, 5/8" Dia, 3/4" Dia x 2 sets Colorful stumps, comes with random colors High quality blending stumps made from yellow paper felt. Stumps are excellent for blending and smoothing pastels, charcoals, graphite or any other dry media Can be sharpened with sandpaper block