You can snag free frozen coffee at Dunkin' Donuts Friday.
They're offering free samples of the new Frozen Dunkin' Coffee at participating locations across the country.
Customers can stop by for a free 3.5 ounce sample between 10 a.m. and 2 p.m.
The new menu item can be customized with flavor swirls and a choice of cream, whole or skim milk.
