Starbucks Doubleshot Espresso iced coffee combines two shots of Starbucks signature espresso with smooth, creamy milk for a refreshing pick-me-up. To enjoy this iced coffee at its best, serve it chilled or over the ice and gently shake to wake the flavours. Starbucks coffees are made with 100% arabica coffee and verified as responsibly sourced by Coffee and Farmer Equity (C. A. F. E. ) Practices. Ingredients 3. 3% fat MILK (75%), Starbucks Arabica coffee (water, coffee extract) (19. 2%), sugar (4. 7%), chicory inulin, acidity regulator (potassium carbonate) . For allergens, see ingredients in bold. High caffeine content (45. 4mg/100ml) . Storage Ambient store in a cool, dry place away from direct sunlight.