EFFICIENT MATERIAL - The pencil sharpener for adults is mainly made of sandpaper, rough to the touch and of intimate quality, which help you achieve a nice drawing effect. PRACTICAL FEATURES - Practical artist pencil sharpener, you can put your brush tool on the sanding board for fine grinding, you can grind it exactly to the angle you need. PRACTICAL & CONVENIENT - The drafting supplies comes with 12 sheets per board, when you run out of a sheet of sandpaper, just tear it off and you can save a lot of time. IDEAL GIFT - This drawing pencils is a great gift for friends, artists, beginners in painting and sketching, and an indispensable utility for sharpening brushes in painting. size 16 x 2.5cm, 12 sheets/each, suitable for colored pencils chalk crayons charcoal. Colour:As Shown Material:cardboard Package Contents: 20 x Sandpaper Pencil Sharpener Only the above package content, other products are not included. Note: Light reflection 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.