【Stainless Steel Material】The inner liner of this hot food jar is made of 316 stainless steel, which is not only strong and wear-resistant, but also has excellent corrosion resistance. 【Folding Spoon】This vacuum insulated lunch container has a 304 stainless steel folding spoon built into the lid for easy access. Whether it is an outdoor picnic or office use, it can be easily dealt with. 【Unique Lid Design】The lid of this thermal food flask turns into a stable mobile phone holder with a simple lift. This innovative feature makes it easier for you to watch videos or follow recipes. 【Sealed & Leak-proof】This hot food jar is equipped with a sealing ring, which makes it less likely for liquid to spill when the cup is shaken or tipped on its side. The double seal structure effectively avoids leakage. 【Five-fold Heat Preservation】This thermal food flask is equipped with 5-fold vacuum insulation technology, which ensures that the ingredients are always kept in the suitable condition during the simmering process.