Originally Posted by F and E Damp
Plexiglas (acrylic) isn't particularly strong and shatters fairly easily. A better choice would be a polycarbonate ( brand name escapes me), which is much more damage tolerant.
I think Lexan is the brand name. I honestly chucked a piece of acrylic around the Home Depot aisle to see if it would break. It didn't.
I figured with what I'm using it for (keeping junior from falling out of the screen), I figure it's "good enough".