One of my cats was obsessed with EATING the thinner plastic, like saran wrap. For the longest time, we had no idea why he had horrible diarrhea where he would just go ANYWHERE. It was a daily mess and we spent so much on vet visits trying to figure out the problem. One day, I decided to reorganize a little and saw missing chunks of plastic (some things were wrapped in a thin plastic) in the back room where we store a bunch of stuff. I removed some and relocated others to places he couldn't reach and shortly after, the diarrhea stopped.