They are bump stops off the end of the parcel shelf.
When you let the back seat down to make a bed so they are designed to stop the end of the bed, top of the seat back, from pressing into the parcel shelf.
Mine dropped off 2 years ago and not bothered about it since. Nothing has come to any harm without them.
Sportstest
Thanks Jen
GrannyJen
This has been posted in the media section, if you need any more contributions it may be better posted in beginners or technical help sections
Sportstest
@GrannyJen I think I tried to post in the beginners section, but when I went to add the photo I ended up in the media section!
Still loads to learn
Thank you again
GrannyJen
The site can take a bit of getting used to, if you need any help just ask
Astronomy
Ahhhhh... so that's where they are from.. !!
I found one along the ridge/gutter where the roof closes down.. bit freaky finding one there though.