Portable stainless steel lunch box for children and adults, insulated thermal food container for lunch box (2 layers)

The inner layer is made of high-quality stainless steel, mirror-polished and easy to clean. The outer layer is made of food-grade PP material, resistant to high temperatures, safe, and hygienic. The concealed, double-curved handle is small and portable, suitable for home, work, travel, and school. The airtight sealing valve allows air to escape, ensuring a better seal for the food inside and allowing the lid to be opened easily. The safety lock design uses PP plastic, which can be secured to prevent leaks.