The size of the package is impressive at the reception when not enough aware of the dimensions of the carpet. In the context of desktop use, the carpet is indeed a little too big (to see as precision preferences set by the user). This results in hand away from the keyboard, which is not recommended by ergonomists.
The palm rest seems very rigid on the first day of use but lets forget later to become a need when using another computer.
The carpet remains to this place with its anti-slip. The design is neat and the whole is very good.