Food grade material: The electric lunch box is made of food grade PP plastic and 304 stainless steel container. It has strong heat resistance and meets the safety standards of dietary materials. Portable and easy to clean: The portable microwave is equipped with a 304 stainless steel detachable container, which is easy to clean and dishwasher safe. Reminder: Please do not wash the heating base with water, and do not add water to the heating base. Improved leakproof: Improved lid design ensures the lid remains secure during use and provides a tighter seal. Includes a seal ring design to help prevent liquid leakage in moving environments. Improved heating speed: The electric lunch box uses a low-consumption heat cycle to keep food at the right temperature. It typically takes 15-30 minutes to heat food. Features PTC energy-saving heating elements to help prevent overheating. Large capacity: The electric lunch box includes two detachable containers (a stainless steel inner tray and a plastic salad box), allowing separation of different foods. Total capacity is 1.0L, suitable for meals, vegetables, soup, and other foods for outings. Your best gift choice: Looking for a thoughtful gift? This electric heating lunch box is a practical and caring choice for husbands, boyfriends, fathers, and friends.