... Thickness:0.8mm, double wall Product information: Product name:Lunch box keep food hotItem No.:103-3Size:800ml,1000ml,1300mlMaterial: ... the food warm for 3-4 hoursThis lunch box is stainless steel lunch and snack containers that are healthier than ... China. Our products include stainless steel vacuum/thermos food flask, ceramic lunch box, stainless steel lunch box, food carrier, office mug etc. Our ...