Every dog treat is not necessarily a successful Training Reward! The Crazy Dog Train-Me! training rewards have been tested and recommended by thousands of professional dog trainers because they have proven to attract, focus, motivate and reward dogs for learning a task. And, that helps shorten the learning curve and make training lessons more successful! Pork liver (tested against all other meats) is the first ingredient in all our Train-Me! treats. It has proven to be the most effective at attracting and maintaining a dog's attention and focus. To add variety to your dog's training sessions, other natural flavors, like bacon, beef and chicken are added to the pork liver for a taste your dog can't resist. Train-Me! reward – the Right Choice! A well-trained dog is a member of the family. Manufactured in the USA.