Clumping Super Premium White Cat Litter 99,5% Dust Free 100% Natural and Environmentally Friendly Super Clumping Odour Control Easy to Dispose of Superior Absorbency Keeps Tray Dry Economic Consumption Processed From Finest White Bentonite Use: Fill the litter box with 7 cm of cat litter . Take away the clumps and solid waste daily as necessary. Always refill to 7 cm