The Blue Modern Illustration Happy Hours Flyer can be used by any business or organization that wants to promote their happy hour event. It can be used by bars, restaurants, clubs, and cafes to attract customers during specific time periods with attractive offers and discounts. It can also be used by event planners or coordinators who are organizing happy hour parties, networking events, or social gatherings. The colorful design and modern graphics make it stand out from other promotional flyers and can help increase attendance and engagement.