Pig Ears sold by Punk Hollow Country Kennel, LLC are processed in the U.S.A. in a USDA Facility. Punk Hollow Country Kennel"s pig ears are Preservative and Chemical free. Punk Hollow"s Premium, all natural ears will provide a tasty and long-lasting chew that dogs love. Punk Hollow Country Kennel, LLC has the best customer service on Amazon, and stands 100% behind our products.