Cat Litter Usage Guide: Clean and fill the litter box up to 2-3 inches deep with KCT Paper Cat Litter. Always place cat litter box in a secure location where your cat is comfortable to do its business and where it will continue to go. Upon Contact with liquid or solid animal waste, KCT Paper Cat Litter forms into small clumps. This is proven by our special clumping formulation which will help to ease all cat owners cleaning time. Simply remove the clumps from the litter box with a scoop. If there is no scoop, a small recyclable bag can be used to pick and wrap waste. No need to dispose the remaining sand, just refill the litter box with KCT Paper Cat Litter to the recommended depth. * Reminder for hygienic purposes, it is recommended that the litter box is washed once a week. ** Keep litter box away from food and preparation areas and always wash hands thoroughly after handling the litter box.