They are non-toxic and safe for pets.
And because the cat litter's low-tracking, you won’t be spending all your time cleaning up litter trails. Strong Clumping Cat Litter is good for your cats, good for you and good for the environment. The clumps actually turn blue when soiled, so you never have to hunt down the mess.
Clumps firmly for easy scooping. Low dust, less tracking. Clay and chemical free. Safe and non-toxic for cats and kittens.