♑ 【Durable Material 】Stackable thermal containers are constructed of materials that are 316-grade high-quality food grade (highest food grade) , 304 stainless steel. . So it is free of BPA and secure for storage. are easy to access and effectively stop scorching. ♑ 【Designed In Vacuum 】Food may be kept cold or hot for 12 hours in a food jar thermos with enhanced double wall vacuum insulation and seamless welding technology. As a result, food cannot easily be harmed even when it is kept for a long time. ♑ 【Protection Against Leaks And 】100% watertight. It is simple to open due to the air pressure release design. To prevent unintentional spills, Thermos for hot food stackables have silicone sealing and the food cans are completely sealed. Keep your freshly prepared meals warm . ♑ 【Stackable And Extra Light】Soup containers thermos are also suitable for camping outdoor picnic activities or lunch boxes. It can be used in microwave ovens and freezers. Suits can be stacked, saving a lot of space. ♑ 【For Most Occasions】Stackable Lunch Thermoswith cover design, the soup does not stick to the rice, keeping the rice fragrant and glutinous. It can also be used to store sandwiches, fruits, vegetables, spices and many other dishes.