+ Good quality and durability
+ Durable "hinge"
+ Easily einzuklippen
+ Secure fit
+ Good closure
+ Freezer fit
Only the nose might be a little more stable, but a certain sensitiveness should have wife or husband already. In addition, discarding heard today (unfortunately!) With everyday life, and as such a part in nasal or hinge break is just replaced.
However, toi-toi-toi who 2 sets so far (despite frequent defroster) but already a good while held!