Eleanor's pretty sure it's not wool; it doesn't taste like it, or have that sheep scent. Beyond that, she has no idea--it could be some advanced synthetic they don't have where she's from, or it could very well be fungus.

One hundred percent hideous, though.

"He was a good cat. We couldn't keep him at home; Mother didn't like disorder, and you can't control everything with pets around. But he had the run of the park, and I'd play with him there."