This is TODAY- June 21st! Dunkin Donuts: Get a FREE 3.5oz Frozen Lemonade! 

TODAY, June 21st,  is officially the first day of Summer! Dunkin Donuts is celebrating with FREE 3.5oz samples of their Frozen Lemonade! Find a location near you and see if they are participating and then swing by between 10:00am-2:00pm to get your free sample!