Science Diet Hairball Control Formula Is Precisely Balanced Nutrition To Help Avoid The Formation Of Hairballs In The Adult Cat. Full of antioxidants, vitamins and minerals, vital fatty acids, protein and carbs. Chicken By-Product Meal Based. Crude Protein not less than 29%, Crude Fat not less than 18%, Crude Fiber not more than 10%, Moisture not more than 8%, Ash not more than 6.5%. 3 Lbs.