Pet Pattern Natural Fresh Cat Litter 5 KG Ball Shaped Natural Fresh Litter with 3X Absorption 99.99% Dust Free. It is Perfect for single/multiple cats. How to Use: Fill a Clean Litter Box with Pet Pattern Natural Litter. Spread the Litter all over the litter box with gradually with at least 6cm depth. Scoop waste/Clump for best odor control & Clump. At least once every week, Clean the litter box with mild detergent & warm water and refill with fresh cat litter.