Doyime Lunch Bag with Electric Heating, Built-in Heater, Large Capacity, Water-Repellent, Perfect for Commuting, School, Picnics, and Outdoor

[Built-in Electric Heating Function] This lunch bag features a built-in electric heating system. Simply connect it to a USB power source to quickly heat and keep your food warm. Enjoy a warm and delicious lunch even during your winter commute or on the go. [Durable and Easy to Clean] The lunch bag's exterior is made of waterproof Oxford cloth, while the interior is made of insulated aluminum. Even if it gets dirty or wet, it can be easily wiped clean. The entire bag is washable, making it easy to clean and keeping your food fresh every time you use it. [USB Powered, Convenient to Use] The USB power supply allows for easy powering from a mobile power source, car power source, or socket, making it suitable for any occasion. Enjoy warm and delicious food anytime, anywhere. Note: To ensure proper use and durability, use a 5V 3A power source. [Large Capacity Design] This insulated lunch bag has a large capacity and can hold multiple lunch boxes, drinks, and snacks, meeting your daily meal needs. The electric heating bag can be used not only for bento boxes, but also for canned coffee and other items. [Suitable for all life occasions] This electric insulated lunch bag can provide you with great convenience, whether it's for your daily commute, school lunches, weekend picnics, or outdoor trips. Easy to carry, simple and generous, it will become an indispensable partner in your life.