Billie, a reviewer with allergies to grain and poultry, shares their experience with the 4 Pack - Dr. Kelly the Vet 100% Natural Dog Treats - Pork 100g / Each by Silver Paw. In their video review, Billie highlights the key benefits of these treats. Made with a single ingredient, pork, these chews are a great option for dogs with dietary sensitivities. Billie also mentions that the treats are flexible and chewy, making them enjoyable for dogs. Overall, the product seems to be a suitable choice for dogs with allergies, providing a tasty and satisfying treat option. However, it's important to note that the review does not mention any potential drawbacks or limitations of the product.