This is an Ailijin 304 stainless steel vacuum insulated food flask, also known as a lunch box or bento box.
Made of food-grade 304 stainless steel, it is non-toxic and BPA-free.
Features double-layer vacuum insulation designed to keep food hot or cold for approximately 12 hours.
It typically has a layered, detachable design with multiple compartments for carrying different foods.
Equipped with a silicone sealing ring for leak-proof performance and a solid handle for portability.
Available in various capacities, such as 1.0 L, 1.5 L, 2 L, and 2.6 L.