Mason jar, transparent. Volume: 500 ml. Glass lid with rubber seal and metal clamp closure. Dishwasher safe: yes. Microwave safe: yes. Stackable: yes. Freezer safe. This classic 0.5-liter mason jar is perfect for canning and storing dry food. The glass lid with rubber seal and clamp closure keeps it airtight. The clamp closure provides added security. The mason jar is suitable for filling fruits, pickling cucumbers, or making jams. Additionally, it is possible to store dry staples like rice, pasta, and similar items in the jar, protected from moisture. The clamp closure with white rubber ensures the necessary airtightness.