PREMIUM GRADE MATERIAL:The pen is made of environmentally friendly sandpaper,durable bend easily, smallandexquisite, use more convenient Stumps are excellent for blending and smoothing pastels, charcoal, graphite and other artwork. HELP FOR YOUR PAINTING: The kneaded eraser can be used to create any shape that makes the surface seem bright and smooth in the process of sketching. It's also applicable to the parts of shadow and blending created by artists and thereby, providing you a good experience in painting. SANDPAPER PENCIL SHARPENER:can make your charcoal, pencils or your stumps and tortillions sharpen,can grind the solid pigment into a powder,a must tool for sketch drawing. MULTIPLE FUNCTIONAL:Drawing blending tool set is suitable for smudging, blending or smoothing pastel, charcoal, chalk and pencil artwork, a good painters and painting lovers. Item Type: Blending Stumps and Tortillions Set Product Use: Sketch painting Applicable People: Students, painters, artists, etc. Material:sandpaper colour:White Package Contents: 2 x sandpaper board 8 x paper erasers 12 x hollow paper eraser pens (3 specifications, 4 for each specification) 1 x Eraser 1 x pencil extension tool Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.