CONCEALS ODORS IN AND AROUND LITTER BOXES – Make every step a Fresh Step with Fresh Step litter fragrance crystals PET-FRIENDLY – You can sprinkle these crystals directly into your litter box as they are completely non-toxic and pet-friendly DISSOLVES OVER TIME - Crystals are water soluble, so they will break down over time, leaving no residue TOUCH-ACTIVATED SCENT RELEASE – Every time your cat uses the litter box, a burst of fragrance is released for a boost in scent to keep your litter area smelling better than ever FRESH SCENT – Fresh Scent has a light linen, fresh laundry fragrances