Litter Pearls Crystal Clear are the Original Silica Litter in the United States. The spherical crystal pearls are ideally suited for absorbing odor causing liquids associated with the litterbox. The spherical shape is soft on paws. The 7 lb bags is a two month supply for one cat. 99.9% dust free. Safe for Cats! No Clumps to Remove. br/>Sold in Quantity of: 1