Garbage card Holder

In Holland its al about recycling garbage.
In my home town you have a bin for: paper, plastic, glass etc,

But for real garbage we have to go to a special sub container in our street.
For this container you have to use a special card.

My wife always misplaces the card.
So i wanted to give this card a special place in the house.

And so i came up with this simple card holder.

(LOL mark my words up to the third time my wife will use the card holder, after that see will misplace it a