Mollen Lunch Box is made of food-grade PP plastic material, comes with tableware and an individual sauce box, portable and reusable. Four sided buckle cover and middle cover design make the lunch box sealed and it is easy to disassemble and clean. With four compartments, allowing you to store different food separately. The lunch box is heat resistant and microwave safe (remove the lid before heating). Imprint lunch box only can be hand washed.