It usually fills up in about a week or so.

This product works shockingly well. Best cat product ever. Cleanup is a breeze. Cheaper than buying it in stores.

This little gem is the cat's meow! Almost like a sausage string of clumps. I find myself daydreaming infrequently as i caress the litter.

This just made is grosser and a hassle. The refill system is cumbersome and time consuming. Refills are more costly.

It is not a full sized scooper and if you have multiple cats that is bad news bears. The scoop is so tiny it's great for kitten poop, but not adult cat poop. I find that since the collar around the top is so wide, litter tends to fall through the scoo...  Read More

Dog poop bags are way less hassle and they're cheaper than this contraption. Tying a knot in a new bag uses a lot of plastic material and is wasteful. It's such a dinky little thing it takes way to long to fee the bag through the cutter.

They advertise that it's odor free. If you actually leave the litter in it for more than a day it stinks to high *. The old fashioned way is to put its contents directly in the trash.