1
On the back wall there was a small window covered in thick Plexiglas.
2
A long two-inch sliver of thick Plexiglas broke up the monotonous gray of his prison.
3
The doors were of thick Plexiglas reinforced with alarm wires and the display windows had bars on the inside as well.
4
And the racket never ended in the Smash Truck, where a throng on one side of a thick Plexiglas wall screamed Smash!