After use, the high-quality Sleeve and Sleeve Mini erasers and sharpeners disappear into a red, blue, or black cover, which not only protects against fouling, but also allows for precise control of the erasing stroke when open or as a useful container for sharpening dust. The Sleeve has already received an award for its ergonomics and user-friendliness: the 2007 ISPA Award in the “Back to School” category. Further proof that even such simple things like erasers and sharpeners can still be improved – true to the Faber-Castell motto: Making ordinary things extraordinarily well.