Astroturf grass for guinea pigs

I wouldn't use them. It might be safe if he doesn't eat it, but it seems like that would be hard to clean. I just use towels over my tile flooring for floor time. If you only have carpeted areas, I would recommend buying some linoleum and then putting towels over that to prevent damage to your carpet. Have you thought about adopting a friend for your guinea pig? They are very social animals and do best in pairs or groups. Then he will get more exercise too.

I don't use astro-turf, haven't really thought of it. I think it's made of plastics, I really don't think that would be good for them to eat. Your piggie may just have been grooming on the run, I forget the actual term, they do this to each other, they actually chew the hair off each other. My GP does it to my dog if the dog stay still long enough. I don't encourage it because it appears that the pig is actually swallowing the fur. I would be reluctant to use the astro-turf, plastic is not good for any living thing to eat. When I put my GP in the kitchen for floor time, I put newspaper down, she will go potty on it and not my floor, also, if she eats the paper, it won't hurt her. In fact, I use it for bedding in her cage. Good luck.