"If his cat box gets too full, there's always the sink."

I gave him a ton of fresh water and eyed his cat box, which needed changing.

Barbara followed quickly with a half-loaded carton, put it on top of the cat box.

Paper bags, at the very least, can help start a fire or line the cat box.

They reached from my writing desk to the cat box in the utility room.

All of them would rather have him use the great outdoors than the cat box she'd managed to squeeze onto the floor in the backseat.

I use that section of the paper to line the cat box.

He also advises clients to use liners in cat boxes.

Or use it to line the cat box.

I'd rather watch paint dry or change the cat box.