Thermal Box,Thermal Lunch Box Stackable Hot Insulated Box Stainless Round Lunchbox Sealed Containers Material: Stainless Color: as the picture shows, (Due to the difference between different monitors, the picture may have slight color difference. please make sure you do not mind before ordering, Thank you!) Package weight: 190g Package size: 15x9x15cm,(Please allow 1-3mm error due to manual measurement. please make sure you do not mind before ordering.) Convenient to Use -- With air hole, press the air hole can be sealed, to open the lid of the lunch box before open the air hole, can be removed to clean. With Safety Buckle -- There are safety buckles on both sides of the lunch box, which can be fastened easily by pressing. There is no need to worry that the lunch box will loosen. It can not only prevent the leakage of sauces and soups, but also lock in freshness and peculiar smells. Keep Food Warm or Cold -- The stainless steel lunch box with an insulated lunch bag usually keeps hot food warm for about 3-4 hours, but keeps it fresh all day long; of course it can also be used for cold food (Please note that the holding time will be affected by the local temperature) Ergonomic Handle -- Easy to carry the lunch box. With handle, easy to carry, you can use it everyday to carry meals to your office and you can also use it to whenever you travel. Premium Material -- The inside of the stackable lunch box is made of high-quality stainless steel, which does not and does not leave a smell; the shell and lid are made of food-grade plastic, non-toxic and tasteless. Allows you to enjoy your food without worries, and easy to clean.