21lb Sanicat Extreme Clumping Multicat Litter – Made in the USA, Sanicat Extreme Clumping Multicat litter is made of natural Sodium Bentonite clay strong enough to support multicat households. Featuring the ultimate clumpability, this high performance blend helps control strong litter box odors. Low dust, low tracking Sodium Bentonite clay helps naturally trap smells for up to 30 days in households with up to 3 cats. 100% natural multicat litter. Dust-free with superior smell control. Quickly forms hard, easy-to-scoop clumps. Helps control odor-causing bacteria. Made in the USA.