Certified gluten-free. Non GMO Project Verified. nongmoproject.org. Since 1935. The Spanish olive farmers we've partnered with for generations ensure we get the best from each year's crop - so our classic olives are never ordinary. Fourth generation family company. - Jeff Mezzetta. mezzetta.com. Get inspired at Mezzetta.com. 100% Recyclable. 100% recyclable. Product of Spain.