No preservatives. Gluten free. Vegan. Cholesterol free. Non GMO. Don't forget Mezzetta! In the Napa Valley. Family owned since 1935. Family owned & operated. Finest quality since 1935. The combination of a bowl of these with cold beer and old friends is my idea of a good time. And also a tried-and-true way to make a new friends! At Mezzetta, we believe in sharing joy. We pour our hearts into what we do so we can share the best of the world in all its richness and color. I hope sharing these special olives with your loved ones adds a little more joy to your day. Share the Joy! - Jeff Mezzetta. Wonder what else you can do with these delicious olives? Please recycle. Product of Spain.