well, you could look it all up on their website plstics4performance.
The hatch glass actually isn't flat, it has a crown to it.
It isn't just plexiglass. it is Polycarbonate, with a special hardened coating, and the vents and everything are a custom deal.
I wanted it professionally done. I waited for you to volunteer to do it for me, but you never did, so....
Yes it is made in England.
Cheers.