Love the green plastic! I am in the middle of setting up my vields cage before we get him (24,24,48) and I was going to use corrugated plastic and some plexiglass that I have leftover from some projects to put on two sides like you did. But I LOVE the green plastic! Is it thick? I've never seen it at home depot before, do you know what the product is called or what its originally used for? I'll go buy some right now! Lol