Premium Food Grade Materials: Crafted from high-quality materials, our lunch boxes and soup airtight sealing to prevent leaks and odors. The four sealed compartments keep meals and flavors distinct, ensuring a safe and enjoyable eating experience. Convenient Cleaning Options: The kids bento box is both microwave and dishwasher safe. It features detachable rubber sealing rings and a wide-mouth thermo container, simplifying cleaning whether by hand or in the dishwasher, promoting hygiene and ease of use. Complete Bento Lunch Box Set for Kids: Includes a leakproof lunch box, adjustable food divider for 4 compartments, and a cutlery set (spoon and fork). Designed with a single lock buckle for easy opening by children. Child-Friendly Design: This set accommodates a variety of foods including bread, fruits, vegetables, and hot soup, supporting a balanced diet for children at school or on trips. Optimal Insulation Tips: For best thermal performance, preheat or precool the food jar with hot or cold water for 5-10 minutes before use. Our vacuum-insulated stainless steel interior maintains high temperatures for 3-5 hours and keeps contents cold for up to 12 hours.