After using the Sleeve tire and Sleep Mini it can be collected in an elegant protective sleeve in different colors, which not only protects it, but also helps to better control the friction. This model received the ISPA 2007 award in the class "School" for ergonomics and convenience. The product proves that even such ordinary things as tires and sharpeners can still be improved, and in the spirit of Faber-Castel's motto:
The shape of the body helps to better grip and smoother delete.
The sleeve protects the tire itself from dust. 
