Fatmingo Stainless Steel Thermal Food Container,Insulated Lunch Box 2 Tier with Hand Bags(1.2L Red) Insulated,not leak proof, keeps food hot or cold while on the go,whole stainless steel design Preheat by boiled water then put your hot food to keep your meal warm for around 2-3hours Lunchbox size: 5.3"(D) x 6.38"(H). Insulated bag Height: 7.1".Diameter: 6.7" Capacity:1.2L Please notice:The insulation effect long or short is affected by the temperature around,and it also depends on the temperature of the food,to get a better insulation effect,preheat the lunch box is necessary