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;Essential vitamins, chelated minerals and important antioxidants help support the immune system;Essential proteins and carbohydrates for energy;A precise blend of calcium, phosphorus and vitamin A helps keep bones strong