Reviews | 100% Glaze Naturale De Nigris - Balsamic Vinegar We have used all our passion and expertise to develop una Glaze with "Balsamic Vinegar of Modena PGI". Tasty, dense, and rich in flavor, 100% natural with no added sugar, coloring, or thickeners. Made from the combination of the must of the finest Emilian grapes, slowly cooked, and Balsamic Vinegar of Modena PGI, aged for a long time in oak barrels. | SIZE: 250 ml bottle.