Keep snack time simple with Pet ‘n Shape Beef Lung Chunx Bacon Flavor Bite-Size Dog Treats. These lightweight, crunchy bites are made with just three ingredients, including real, USA-sourced beef lung. They’re chock-full of the mouthwatering flavor and texture dogs love. Beef Lung Chunx are easy to break into smaller pieces to suit your needs. The wholesome formula is free from artificial additives, preservatives, colors, and flavors and contains no wheat, corn, or soy. Plus, pet parents will feel good knowing each batch is tested in the US for quality and safety.