There are 16 milligrams of caffeine in a small Coffee Coolatta. A medium size of the coffee contains 23 milligrams of caffeine and a large serving has 35 milligrams of caffeine.
A Coffee Coolatta is a frozen coffee drink from Dunkin' Donuts. The beverages are available in flavors such as vanilla, caramel, hazelnut and mocha. Oreo Coffee Coolattas are also available at Dunkin' Donuts. A small regular Coffee Coolatta contains 75 milligrams of sodium, 43 grams of sugar, 23 grams of fat and 3 grams of protein. The drink contains milk and soy along with vitamin A, vitamin C and calcium.