Constant Temperature Heating: Experience continuous constant temperature heating with this lunch box bag, maintaining your food or drinks at the perfect temperature for optimal taste and nutritional value. USB Powered Convenience: Easily power this portable electric crisper using a USB interface, making it compatible with car chargers and any USB port for hassle-free heating on the go. Portable Design: Enjoy the convenience of a handheld insulated heating bag that is easy to carry, perfect for use in cars or offices, ensuring warm meals or beverages wherever you are. Safe Heating Material: Crafted from safe heating and insulation materials, this portable food warmer offers excellent heat preservation and thermal stability for reliable use in various settings. Travel Essential: Ideal for travelers and campers, this car travel camping electric lunch box ensures you can enjoy hot meals on-the-go, enhancing your travel and camping experiences with home-cooked goodness. Description: Introducing the lunch box bag with Constant Temperature Heating, a must-have for those who enjoy hot meals on the go. This innovative heating bag maintains a continuous temperature to preserve the taste and nutrients of your food, providing a satisfying dining experience wherever you are. Powered by a USB interface, this portable electric crisper is incredibly easy to use, making it ideal for car trips or office lunches. Its handheld design ensures convenient carrying, allowing you to enjoy warm meals or drinks anytime, anywhere. Crafted from safe heating materials, this food warmer guarantees excellent heat preservation and thermal stability for your peace of mind. Perfect for travelers and campers, this Electric Lunch Box is your reliable companion for road trips, workdays, or outdoor adventures, ensuring you always have a comforting, home-cooked meal at hand. Item Name: Lunch Box Bag Material: PVC Inner: Insulating Aluminum Foil + 4MM Pearl Cotton Outer Material: 300 Cationic PVC Charging Supply: USB Charging Capacity:3000ml Features: Constant Temperature Heating, Insulation, Travel Essential Size Details: L: 22cm/8.66", W: 16cm/6.3", H: 10cm/3.94" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Lunch Box Bag