Catswell Breathies Chicken Breast with Mint & Parsley Cat Treats Give Your Cat Fresher Breath, and Help To Maintain Healthy Teeth and Gums. Catswell Breathies are high in Protein, low in fat, easy to digest, and have no fillers or byproducts. These chicken breast jerky pieces come in a resealable bag to keep freshness, and can be given in addition to food daily (for best results). Based on Chicken Breast, Vitamin E Supplement, Flaxseed, Mint, Cinnamon Bark, and Oyster Shell Flour as a source of Calcium. Protein no less than 55%, Fat no less than 2% and no more than 5%, Fiber no more than 4.8%, Moisture no more than 27%. 2 Oz.