Zignature Duck Limited Ingredient Formula Dry Dog Food, 13.5-lb bag; Zignature believes in exceeding expectations in pet nutrition. Their products are formulated to serve your canine companions needs by delivering the highest quality, well balanced diets. With Zignature, you can be assured you are giving your canine the best! This Duck Formula uses duck protein first, nutrient-dense legumes, healthy vegetables, and has antioxidants from fruits. Key Benefits Grain-free and limited ingredient formula Gluten-free diet No potato, chicken or eggs No guar gum or carrageenan Complete and balanced diet for all life stages Made in the USA!