A non-toxic crystal litter with an added proprietary blend of Boxie® probiotics and MicroDry™ Odor Absorption Crystals that provide self-cleaning properties and trap odors for over a month.

Our best-selling probiotic crystal litter for cats is the first of its kind, providing the cleanest crystal litter experience possible. Using a proprietary blend of probiotics, Boxie® Pro™ litter products eliminate odor and waste naturally and effectively.