【Storage Container Set】This is a 4-piece set of heat-resistant glass containers (180ml x 2, 640ml x 2). It makes daily meal prepping and storage easier and more convenient. Suitable for food preparation, lunch boxes, and freezing/storing fruits and rice. The package size is 19.9*15.4*14.6cm. 【High-Quality Heat-Resistant Glass】These glass storage containers are made of high-quality borosilicate glass, which is durable, highly transparent, and stable. They are resistant to impact and scratches, and can safely store acidic and salty foods. With a heat resistance of 500°C, they can also be used as gratin dishes. The lids of the heat-resistant glass storage containers are also dishwasher safe, making them easy to clean. 【Strong Airtight Containers】The glass containers come with four-sided locking airtight lids that can rotate 180°, making them extremely durable! They come with silicone packing for a tight seal. The four corners of the storage containers are also completely sealed, preventing food from coming into contact with air, and keeping rice, leftovers, side dishes, vegetables, and fruits fresh for a long time. 【Microwave, Oven, and Freezer Safe】The storage containers have a heat resistance range of -40°C to 500°C. They are suitable for a wide range of uses, from refrigeration and freezing to microwave and oven heating. You can warm up refrigerated or frozen food and serve it directly at the table. (Note: Always remove the lid when using the microwave or oven. Do not heat directly). 【Easy Storage】The heat-resistant glass container set can be stacked for storage, allowing you to neatly organize them in the limited space of your kitchen or refrigerator. The glass containers have a leak-proof function, so you can carry them with you when going to school, traveling, or going to work. Heat-resistant glass storage containers airtight tupperware microwave-safe oven and dishwasher safe meal prep heat-resistant containers set of 4 beige