Description:Our Portable Personal Food Warmer can reheat your lunch or leftovers.Enjoy less hassle with warm tasty food, faster anytime and anywhere.Have a perfectly warm delicious meal ready by lunchtime!Specification:Name: USB insulated lunch box bagMaterial: Waterproof Oxford clothSize: about 21*16*8CM/8.3*6.3*3.1inchWeight: 200gHeat preservation function: automatically turn to heat preservation state when heated to about 50°CFeatures: easy to carry, large capacity, two ways to supply powerPackage List: Food Warmer Lunch Bag * 1USB Cable *1Notes: Due to the lighting effects and shooting angles, the color of the item and that shown in the picture might have a nuance.Due to manual measurement, there might be a tolerance in the product size.