Description: Multifunctional & Convenient: This heated lunch box is perfect for keeping your food warm, fresh and delicious. It also features a rear zip pocket for valuables such as your phone, keys or cards. Advanced Heating Technology: The food storage bag uses heating wire, which requires an output power of 5V2.1A or above to work effectively. Please use 220V power supply at home and use power supply when going out. Advanced Insulation: This mummy bag features three layers of insulation to ensure long term warmth, allowing you to enjoy the taste of home wherever you go. For freshly cooked food, simply place it in the bag and plug it in to keep it warm longer. Durable Material: Picnic tote with oxford cloth material to protect contents inside from water damage, aluminum foil lining provides extra insulation and cooling. Convenient: The picnic food box bag weight is only about 300g, it is effortless to lift, the size is suitable, and it is easy to carry. Specification: Material: Oxford Cloth Size Chart: 25cmx17cmx14cm/9.84inchx6.69inchx5.51inch Package Includes: 1 Insulated Lunch Box 1 Cable Note: 1.This is not infant toy, please take away from children to avoid eating. 2.Please allow slightly errors due to manual measurement and different monitors.