Go ahead, turn the tray around and look at our ingredients. PureBites Mixers for cats are made with only 2 ingredients; 100% Pure Wild Skipjack Tuna & Wild Alaskan Salmon in water. Cats love the taste of PureBites because our treats are pure, locking in the aroma, texture and freshness they crave. Cat parents love PureBites because our treats are rich in nutrients for a happy and healthy life. PureBites Mixers can be fed as a treat, an appetizer, a topper or a mixer. 100% Natural & Grain Free, High in Protein and only 32 calories per tray. Our products are ideal for cats with health issues or pets that are overweight, diabetic, have allergies, gastrointestinal disorders, or are on a restricted diet.