Fresh Step Crystals Premium Cat Litter works to lock in odors and absorb moisture on contact. This long-lasting, lightweight cat litter helps keep your home smelling fresh with less work and less litter. The unused crystal cat litter sifts easily through your scooper, providing up to one month of support for one cat. The crystal cat litter helps minimize dust and feels soft and gentle on your cat’s paws. And when the litter box needs changing, these lightweight cat litter crystals are easier to carry, scoop, and clean up. And as with all Fresh Step cat litters, it's made with your cat’s health and happiness in mind.