Yeah it’s marketed as being able to detect urine irregularities in cats so it changes colour with their pee. It also supposedly “locks” in the smell which, to their credit, I couldn’t smell the cat shit, all I could smell was dust.

It’s also made of silicone which, you know, not meant to be eaten so I’m sure that’s great for cats to have in the fur they clean with their mouths.

I really didn’t do my research on this one.