Go ahead, turn the bag around and look at the ingredients. PureBites Chicken Jerky dog treats are made with only 1 ingredient; USA sourced chicken breast with no added glycerin. Dogs love the taste of PureBites because our treats are gently dried to lock in the aroma, texture and freshness they crave. Dog parents love PureBites because our treats are 100% pure and rich in nutrients for a happy & healthy life.