Feline Greenies Smart Bites Hairball Control Chicken Flavor Cat Treats Has Plant Based Fibers. A combination of plant based fiber minimizes the hairball formation. For cats only. For cats over 1 yr. old. Feed 12 treats all at once, daily. Reduce volume of normal diet to balance. Made in Canada. Each treat contains 25mg of Petrolatum. Based on Chicken Meal, Brewers Rice, Whole Wheat and more. Protien not less than 30%, Fat not less than 17%, Fiber not more than 1.5%, Moisture not more than 11%. Kcal 1.3 per treat. 2.1 Oz.