I went to the local tool store. I askes for windows rubber

Dont know the correct name.
anyway I cut out the side of my chieftec dragon. and I have put a piece of plexiglass behind it. But i dont like it that much.
I wonder if this type of crap can be bought anywhere?
It must be 1 sided, so its pure for the looks.
this is the way my "door" is now. i want to use more plexicrap