-Our medium Weck tulip jar is a perfect storage option for fresh jams and pickled delicacies. Crafted of glass in Germany, this simple yet stylish vessel holds a full liter of liquid and features a removable orange rubber ring and two spring clamps to ensure its contents are airtight. This classic jar is a must-have for storing and presenting everything from dry goods and jams to small desserts. Material: Glass, Also could be used for glass jars, jars, large glass jars, large glass weck jars, lidded jars. By Cost Plus World Market.465854