Natural BLUE Indoor Hairball Recipe is holistically formulated to support the needs of indoor cats. It starts with carefully balanced calories to help indoor cats maintain an ideal body weight, plus it contains a unique blend of three natural fiber sources to help reduce hairball formation. Formulated to support the health and well-being of your feline friend, BLUE for Cats features only the finest natural ingredients. It's made with delicious, protein-rich, deboned chicken and wholesome grains and veggies with NO chicken (or poultry) by-product meals.