Premium Cat Care. Revolutionary odor control formula. Odor free. Earth friendly. Long lasting. Absorbs moisture instantly. Totally eliminates odor. Low maintenance. Non-toxic. Exclusive 30 day formula is designed specifically for cat care. Satisfaction guaranteed! All natural/chemical free; Eliminates odors; Safe for you and your pets even if swallowed; Non-toxic/Earth friendly; Absorbs moisture instantly and litter stays dry to the touch; Inhibits bacteria growth. This bag lasts 1 cat 1 month (by following the easy to use steps 2 to 3 coverage of Ultra Pearls lasts approximately one month for an average cat. Results with multiple cast using same litter box will vary).