The offer is good at participating locations nationwide and is valid on Original Blend, Dark Roast, and Dunkin' Decaf brewed hot coffee. You can also add a flavor to the coffee including seasonal Pumpkin and Maple Pecan. Regularly available flavors include Caramel, French Vanilla, Hazelnut, Mocha, Toasted Almond, Blueberry, Raspberry, and Coconut.
Photo via Dunkin' Donuts.