Safe Food Jar Stainless Steel -- BPA free, no PVC, 304 stainless steel, FDA-approved, food grade material. Please enjoy this hot food jar without any worries.Vacuum Insulation Technology -- Double wall stainless steel, besides, great copper coated insulation and seamless welding technology, great beautiful insulated food jar for hot food & cold food for kids adult for school office.Long Time Insulation -- Important Tips: Please pour in hot & cold water to preheat & pre-cool for 5~10 minutes before packing food. Keeps liquids hot & cold for 12 hours, package may vary. Please enjoy your healthy food even outside.Wide Mouth with Spoon -- The extra wide mouth can help you easy eating with the shipping stainless steel folding spoon, also easy to fill food into this food jar and clean after use.Double Lids Design -- The food grade material outer lid can be used to hold food, also be greater for insulation and leak proof, you will like the food jar with convenient leak proof double lids.