Whats this?

[Paul Roe]

Found on floor near kitchen unit when I pushed the bench back today its about an inch long

 

[Roger Boeken]

Normally there is a VW id number on it..
To me, it doesn't look like a part of a California.
Is there a gap somewhere in your dashboard ? could be a switch cover

 

[TripleBee]

It's a part of an original strap.