Wagg Cookie Treats with Peanut Butter Banana. A complementary pet food for all dogs 8 weeks and older. Wagg Cookies with Peanut Butter and Banana are a delicious treat for your dog, enriched with extra vitamins and minerals. CompositionWheat, chicken meal, glycerine, chicken fat, peanut butter (4%), banana (4%), minerals, gelatine, whey powder. Analytical ConstituentsProtein 18%Crude Fibre 1.5%Crude Ash 6.7%Fat Content 8%Moisture 20%