Fresh Step Crystals Premium Cat Litter locks in odor and absorbs moisture on contact. This long lasting and lightweight cat litter keeps your home smelling fresh with less work and less litter. Compared to other leading clay cat litter, this crystal cat litter locks in odors five times better. Unused crystal cat litter sift easily through scooper making these long lasting crystals last up to one month for one cat. Crystal cat litter minimizes dust and are soft and gentle on your cats paws. When the litter box needs changing, these lightweight cat litter crystals are easier to carry, scoop, clean up and make changing the box a breeze. As with all Fresh Step cat litters, it is made with your cats health and happiness in mind.