BLUE Basics® Grain-Free Indoor Duck & Potato Entree For Adult Cats BLUE Basics Grain-Free Duck & Potato Entree is a limited-ingredient diet formulated to minimize the food sensitivities that some cats may have, while maximizing the nutritional value they will receive. BLUE Basics contains: -Duck — A delicious, high-quality protein not typically used in cat food. -Potatoes and Peas — Easily digestible carbohydrate sources. -A Precise Blend of Veggies, Fruit and Micronutrients — These ingredients were selected for their nutritional value, and their capacity to help in the digestive process. -An Optimal Blend of Omega 3 and 6 Fatty Acids — They help to support skin and coat health for cats with food sensitivities.