Riddle me this

[bazzbazz]

Ok, over the years I have been pulling the back seat of Alfa 156 Sedans constantly, and to my surprise I have many a time come across these identical broken parts hiding under the lower back seat cushion.

Does anyone have any idea what they have come adrift from?

[ACE]

the ejector seat activation button ... ?

[Citroënbender]

I reckon they're hinge dress covers for the centre armrest.

[poohbah]

I think CB may be correct. Pretty flimsy bits of crap.