Each 6lb bag of PrettyLitter is intended to last up to one month for a single medium sized cat (about 10-12Ibs) using an average sized litter box (12" x 16"). For best use and results, PrettyLitter requires that your litter box maintain a minimum litter depth of at least 2 inches.
Are you a multi-cat household? Click here for additional tips on maximizing your litter lifecycle.