One 4.5-lb bag;Contains real chicken;High-protein and grain-free;No chicken (or poultry) by-product meals and no corn, wheat or soy;Contains BLUE's exclusive LifeSource Bits - a precise blend of vitamins, minerals and antioxidants;DHA, an important Fatty Acid found in mother's milk, supports cognitive development and retinal function;High-quality protein from delicious deboned chicken, plus chicken meal, turkey meal and egg helps build strong muscles;An optimal blend of calcium, phosphorus and essential vitamins helps maintain healthy bone growth