Vacuum Long-Lasting Insulation: Lunch Containers Made of double-wall vacuum insulated stainless steel, It can keep food hot for 6 hours and cold for 8 hours. You can enjoy hot food and soup at lunch time, whether going out or in the office The inner bowl adopts a threaded lid design to separate different foods, enhance heat preservation and facilitate the removal of the compartment The lid's inner sealing silicone rubber ring and threaded twist design ensure the insulated food jar is 100% leak-proof. Hidden handle design and foldable spoon and fork for easy carrying. The bottom silicone ring is perfect for anti-slip Safe And Durable: The sealing lid and handle of the lunch box are made of food-grade PP material, the jar and lunch box are made of 304 stainless steel. It is strong and durable, not easy to deform, ensuring the safety and health of your family Easy To Clean: food cans with wide mouth design, the interior of the container are 304 stainless steel, polished smooth, very easy to clean, in order to use the insulation lunch box for a long time, please dry and store the lunch box after each cleaning To get better results, please pour hot or cold water into the food jar to preheat or precool for 1-2 minutes before putting in the food. Please open the exhaust valve before lunch to release the air pressure, then turn the hidden handle to open it easily Large capacity and perfectly stylish, BALPBBY food jar is perfect for carrying around. Whether you are going out or in the office, it allows you to easily enjoy delicious