* Compatible Litter Boxes – Works with the Deluxe Crystal Litter Box System or any traditional litter pan. * Convenient Portions – Includes two pre-portioned bags of premium PetSafe® Crystal Litter with original scent ready for use * Unbeatable Odour Control – Absorbs urine and dries solid waste for 5 times better odour control than clumping clay litters * Less Mess – Premium PetSafe® crystal litter is low-tracking and 99% dust-free The crystals absorb moisture on contact to quickly remove odours instead of masking them and can be used with any litter box. When used with the Deluxe Crystal Litter Box System, one bag can last up to 30 days in a single-cat household!