Truly for the health-conscious pet owner, Gourmet Duck Filet Strips are exactly what they appear to be; 100% pure duck without any chemical additives, fillers or by-products. What's more, unlike most meat strips on the market, we don't add glycerin to artificially increase moisture. All of our healthy all natural Gourmet treats contain glucosamine and chondroitin to help keep your dog?s joints happy and healthy. Gourmet treats are part of our Tested in the U.S.A. Quality Assurance Program, so you can always feel safe when giving them to your dog.