Heat-resistant glass food storage containers, microwave-safe, set of 3 sizes. - Model Name: MXPF-4904 - Capacity: 900ml, 1500ml, 2200ml - Features: Microwave-safe, airtight, refrigerator-safe - Material: Heat-resistant glass Hario cooking bowl, easy to mix deeply. The shape is designed to gather ingredients in the center and prevent spillage. It has a curved rim that is easy to hold and a thick, stable shape. Made of heat-resistant glass (temperature difference resistance of 120°C), so it's microwave and oven safe! Thank you for viewing.