Mozzarella & cheddar swirls & mozzarella string. Individually wrapped snacks. Low moisture part skim mozzarella cheese. Low moisture part skim mozzarella cheese with added cheddar cheese. It's easy to be cheesy! Frigo Cheese Heads Swirls & string variety pack are the go-to healthy snacks when you're on-the-go! Made from milk! High in calcium! 80 calories per serving.