Purina Tidy Cats non-clumping Breathe Easy Litter, 10-pounds (Pack of 4) Four (4) 10 lb. bags of Purina Tidy Cats Non-Clumping for Multiple Cats Breathe Easy Cat Litter Antimicrobial Action Helps Inhibit Growth of Bacterial Odors on Litter 99.6% Dust Free low tracking Tidy Cats--Odor control for your multiple cat home.