Coffee chains are businesses that operate multiple locations, serving coffee and related beverages. These establishments often provide a cozy atmosphere for customers to enjoy their drinks, work, or socialize. Popular chains like Starbucks and Dunkin' offer a variety of coffee options, pastries, and snacks, catering to different tastes and preferences. Many coffee chains focus on consistency and quality, ensuring that customers receive the same experience at any location. They often emphasize sustainability by sourcing their coffee beans from ethical suppliers. Additionally, these chains frequently introduce seasonal drinks and promotions to attract customers and keep their offerings fresh and exciting.