Strong Load-bearing Capacity: precise wiring, durable, easy to bear 6 bottles of 550ml mineral water.Long-term Heat Preservation: heat preservation for 4 hours, the temperature drops by about 10 degrees (under the environment of about 23 degrees Celsius in the greenhouse, test the heat preservation effect for 4 hoursLarge Capacity: The cube design can hold two large lunch boxes, as well as fruits, drinks, etc.Oil-proof Liner: The inner layer is an oil-proof aluminum mold liner, which does not need to be cleaned, just wipe it gently with a paper towel or a rag.Multi-scene use: It is convenient to carry food for picnic, work, travel, and school, making travel more convenient.