Yummy Chummies Grain Free Salmon and Sweet Potato Soft N Chewy is a healthy tasty treat for all dogs. It is made from Wild Alaska Salmon that is never farmed or foreign sourced. Yummy Chummies contains Omega 3 and 6 fatty acids which help dogs have healthier hearts coats and skin. Size: 4 ounce. O/M: 1. Ingredients. Wild alaska salmon. Sweet potatoes. Potato starch. Glycerin. Kelp. Citric acid. Potassium sorbate. Tocopherols (preservative) and rosemary extract.