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. Plug in and enjoy fresh, hot, home-cooked meals: perfect for car travel, work and more. Use the heated lunch container anytime, anywhere! Quick Heating: Get rid of the hassle of waiting in long queues. Our portable food preheating lunchboxes instantly heat healthy, hot meals in boxes. Plug in the wire 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! The package contains: 1x Electric Heated Lunch Container 1x USB charging cable 2x 304 stainless steel inner container 1x User Manual