lyra knetgummi kneadable eraser. perfect for use with charcoal chalks and pastels. completely erase portions dim other areas and simply knead the residue away. can be easily shaped to erase large areas to minute details or you can roll over your work to just dim or for a blurred effect. this package contains twenty 1 1 4x1 1 4x3 8in kneadable erasers each in their own reusable plastic storage container. imported.