Purina Veterinary UR St/Ox Urinary (18 lbs) Brand Feline Formula provides a proper balance of total nutrients while meeting the special dietary needs of your feline. Created to supply complete and balanced nutrition for adult maintenance, it has been formulated to achieve the following characteristics: Promotes increased urine volume Optimal level of magnesium Exceptional palatability All food is shipped ground delivery. Please allow 7 to 12 days for your delivery to arrive. Please note, we do not ship pet food internationally. For more shipping info click here.