Rubber without PVC-free Black Sleeve After use the eraser and sharpener Sleeve and Sleeve Mini disappear in a shell pretettivo red, blue or black, that not only prote them gg and it also allows a practical and precise use. The rotating shell received an award for ergonomics: the ISPA award in 2007 in the “Back to School” category. Sometimes even the simplest things can be improved, the Faber-Castell motto is: Making simple things extraordinarily well. Product details Ergonomic and soft quality rubber, to erase comfortably Nice dirt protective case To erase without dirtying PVC free Black colour Cardboard display of 12 pcs.