Certified by control body authorized by Ministero. Non GMO Project verified. nongmoproject.org. Protected geographical indication. This Balsamic Vinegar of Modena contains at least 25% concentrated grape must. The grape must % identifies the amount of concentrated grape juice inside the balsamic vinegar: A higher value represent a sweeter taste and thicker consistency. 6% acidity. Please recycle. Produced in province of Modena. Product of Italy.