These cat litter bags have been specially designed to ensure easy cleaning of the cat litter box. Urine deposits are prevented by using the bags, thus eliminating unpleasant odors. Additionally, using the bags extends the lifespan of your cat litter box. For instructions on how to use the bags, please refer to the packaging. This version is suitable for cat litter boxes measuring 71 x 57 cm, and there are 10 bags included in one package.