PetSafe ScoopFree Cat Litter Box Tray Refills with Sensitive Non Clumping Crystals - Single Pack - PAC00-14232 Unbeatable Odor Control: Absorbs urine and dries solid waste for 5x better odor control than clumping clay cat litters; free of perfumes and dyes, perfect for sensitive cats Less Mess: Low-tracking crystals dont stick to your cats feet and are 99% dust-free Leak Protection: Plastic tray lining creates a powerful extra barrier to help protect against leakage Easy, Convenient Cleanup: No scooping required; simply remove the disposable litter tray and throw it away Product Support: PetSafe brand's US-based Customer Care experts will be glad to help; call Monday through Saturday at 1-800-845-3274 Experience: PetSafe brand has been an industry leading US manufacturer of pet behavior, containment and lifestyle products since 1991, helping millions of people and pets each year