Diamond Premium Adult Dry Dog Food Size:40 lb When you feed Natural Choice Size:Large Dogs Above 18 lbs When you feed Natural Choice Ultra you can feel good too that you're doing the very best for your trusted friend and family member • Cat food that supports the entire urinary system with optimal levels of magnesium • A good source of natural fiber to help comfortably reduce hairballs in cats • Supports healthy skin and coat with omega 6s and vitamin E • High quality protein to help your cat maintain muscle • Made with natural ingredients Supports the health of the whole urinary system with optimal levels of magnesium zinc proteinate riboflavin