Portable Electric Heated Lunch Box Car Mini Oven Lunch Bag Ox Waterproof Features: 1. Portable Lunch Warmer: Enjoy a convenient hot meal without relying on office microwaves or cold food. This compact electric food heater allows you to warm your meals anytime, anywhere. 2. Easy to Use: Designed with automatic temperature control, the heater warms food to approximately 50°C and then switches to insulation mode to prevent overcooking, retain moisture, and preserve flavor. 3. Ideal for On-the-Go Use: Perfect for outdoor activities such as camping, fishing, or commuting. Simply pack your favorite pre-cooked or fresh meal and heat it when needed. 4. Wide Container Compatibility: Accommodates flat-bottomed food containers up to 16 cm W x 21 cm L x 8 cm H. Compatible with glass, plastic, cardboard, metal, aluminum foil, and ceramic containers. 5. Durable Waterproof Design: Outer layer made of waterproof Ox fabric; inner layer features aluminum foil and pearl cotton for effective heat retention. Specifications: Material: Ox Cloth, Aluminum Foil, Pearl Cotton Color: Gray Size: 21 x 16 x 8 cm Weight: 200g Package Includes: 1 x Heated Lunch Box