I received a free sample of Cat Spot non clumping litter a couple of years ago. I didn't have a cat at the time so the sample was put on a shelf in the garage. Back in July, 4 feral cats decided maybe they wanted to live in my house because every time the door opened they were trying to get in. Having had cats all my life, I'm familiar with what cats do. So, I got a litter box and my sample of Cat Spot and sat it near the door in the laundry room where the cats were coming in and out. During the warm weather they were mostly outside and they were using the box but not much. When it turned cold they were staying in more and using the box more. I'm working from home and the litter box is about 6 feet from my desk. I have a very sensitive nose and there are 4 cats using the box. I usually put about half a bag (2.5lb) in the box and with 4 cats, it lasts about 2 weeks before I can smell it at my desk. The packaging says 1 cat for 30 days but my bag is lasting almost 30 days with 4 cats. I've said all that to say, this litter is the best. When the litter is ready to go, I clean out the solids and dump the rest in the flower beds. The other plus to this litter is it doesn't stick to the cats paws. My one cat has fur about an inch long between his toes and on his feet. It doesn't stick. He kicks it out of the box but that's on him! I'll never go back to clay litter.