Colby Jack: Colby & Monterey Jack cheese. Starts with fresh milk from US dairy farms. Colby Jack: 90 calories per 2 slices. Mild Cheddar: 90 calories per 2 slices. See nutrition information for fat and saturated fat content. Zip pak - Resealable. Our Natural Cheese Slices Start with Simple Ingredients: Fresh milk; cultures; enzymes & salt. Contains 0 g of lactose per serving. kraftfoods.com. 1-800-634-1984, have package available.