Premium thermal food container: The sweat-proof lunch box is made of high-quality 304 stainless steel, BPA-, phthalate-, lead- and PVC-free. Durable stainless steel interior and exterior are perfect for your healthy meal plan. Superior insulated food flask: Double-wall vacuum insulation technology keeps your healthy, homemade delicious lunches, soups and snacks warm for up to 8 hours or cold for up to 6 hours. For maximum temperature insulation, pour hot and cold water into the storage jar to preheat or pre-cool for 5 minutes before packing food. Large food jar: With a capacity of 27 oz (800 ml), this food jar is large enough to hold a full meal but still small enough to fit nicely in children's lunch boxes or adults' lunch bags. The lid with a built-in handle is convenient to carry. Thoughtful design: The outer lid with a built-in handle is very convenient to carry. A food-grade plastic serving bowl and a foldable spork are included for you to eat like at home. The bottom of the jar is non-slip and scratch-resistant. Wide opening is easy to fill, eat from and clean. Leak-proof soup thermos: With a silicone sealing ring, the food jar has been completely sealed to prevent spill accidents. Perfect for carrying soup or food to work or school. The air button on the inner lid is to prevent burns caused by hot air pressure. (NOTE: Use something other than your fingers to press the air hole before opening the inner lid)