Material: Stainless steel Size: 21*15*6.7cm / 8.19"*5.85"*2.61" Color: As shown 1. Convenient to carry: The portable lunch box is designed to be lightweight and convenient, making it easy to carry around. 2. Multi-functional design: The lunch box has a reasonable internal compartment design, allowing you to store a variety of foods to meet different taste preferences. 3. Heat preservation and cooling: The lunch box has functions for heat preservation and cooling to keep food fresh and at the right temperature. 4. Safe and reliable: Made with food-grade materials, it is healthy, safe, and reliable. 5. Easy to clean: The lunch box material is sturdy and easy to clean, allowing you to maintain hygiene and enjoy a worry-free dining experience. Package includes: 1*portable lunch box