works 123

The mat fully meets its purpose.
The only downside of the matter is that the pad from slipping when you move the infant carrier for loading and unloading, as it is held only in that they are "stuffed" between the backrest and seat. But that's not dramatic, I think. And if you have a larger child seat after nine months, the yes mostly remains in the car, eliminates this problem that, either.
The storage pockets we have not used, may come later.