Light low moisture part skim mozzarella cheese. Individually wrapped snacks. 50% less fat. 25% fewer calories. Compared to the market leader of low moisture part skim mozzarella string cheese. 3-A-Day: milk; cheese; yogurt. It's easy to be cheesy! Frigo Cheese Heads Light String Cheese is the go-to healthy snack when you're on-the-go! Made from milk! High in calcium. 60 calories per serving. Light string cheese has 2.5 grams of fat per serving compared with 6 grams of fat in regular string cheese. Calories reduced from 80 to 60 per serving.