Go ahead, turn the tray around and look at our ingredients. PureBites® Mixers for cats are made with only 1 ingredient; 100% Pure Wild Skipjack Tuna 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.