1. Stainless steel vacuum food jar. 2. Capacity: . WJ-221000 : 1000ml . WJ-22750 : 750ml . WJ-22500 : 500ml 3. Unbreakable stainless steel interior and exterior. 4. Extra wide mouth is easy to fill the food, soup and clean. 5. Vacuum insulation structure for maximum temperature retention, hot or cold.