Features:1. Made of 304 stainless steel, healthy and safe.2. The compartment design is great for preserving food, has no odor, and is easy to clean.3. Can be heated, suitable for use in cold winters, convenient for students to have hot lunch, or camping for use at picnicsSpecification:1. Material: stainless steel2. Applicable: school lunch, picnic, camping, etc.3. Heating method: water injection heating4. Size: 18 * 12 * 9cm (length * width * height)includes:1 x Lunch Box