Information about this product: Food safe material: 304 stainless steel inner layer, food grade PP outer layer, high temperature resistant and non-toxic. Delicious hot food: with 2 removable compartments, fast and even circulation heating 360，Enjoy your food. Usage: Connect the electric heating, disconnect the USB plug when heated. easy cleaning: The inner compartment is removable for easy cleaning and the inner compartment is dishwasher safe. Connect and enjoy fresh, hot, home-cooked meals: perfect for car trips, work and more. Use the heated lunch container anytime, anywhere! Fast heating: Get rid of the hassle of waiting in long lines. Our portable food heating lunchboxes instantly heat up healthy, hot meals in boxes. Plug in the cord and heat up your lunch. Instructions for use: 1. Put the food in the lunch container. 2. Connect the charging cable. Make sure the plug is correct and the lunch container is completely covered. 3. Wait a few minutes and then enjoy your meal! Package contains: 1x Electric Heated Lunch Container 1x USB charging cable 2x 304 stainless steel inner container 1x User Manual