Flavor Name: Beef Heart |Size: 3-Ounce Each Stella & Chewy's Freeze-Dried Raw Single Ingredient Treat is 100% single-animal muscle meat or organs, crafted in our own USA kitchen. These treats are all grain-free, gluten-free and include no artificial ingredients. These delicious and nutritious treats are available in 6 hearty protein options to suit your pup: beef heart, beef liver, lamb heart, lamb liver, chicken breast and chicken heart.