Purina Tidy Cats 4-in-1 Strength Clumping Cat Litter - Multiple Cats

Instructions:
1. Pour to a depth of 8cm (3 inches)

2. Remove solids daily.

3. Add more litter to maintain a depth of 8cm (3 inches).
4. Clean cat box with warm water and a mild detergent between litter changes. Store in a dry place.