What are Peet’s Flavored Bags? June 15, 2023 14:17 Updated Ground coffee that’s flavored with natural flavors. Related articles What Peet’s Coffee is used in Peet’s Flavored Bags? Do Peet’s Flavored Bags contain artificial flavors? Is your coffee grown with pesticides? How do you seal your coffee bags? Do you ever use glue? Are the coffees in the Best-Selling Blends Sample Pack caffeinated?