Feature: 1. The stainless steel liner is corrosion-resistant, durable and easy to clean 2. The lunch box is a double-layer hollow design, heat insulation, anti-scalding and not hurting hands 3. Built-in sealing ring can prevent the soup from overflowing 4. Optional thermal insulation bag, easy to carry 5. Humanized handle, stable material, anti-fall and strong bearing capacity 6. External silicone air holes release internal air pressure 7. The bottom adopts a concave-convex smooth design, which is stable and does not scratch the desktop 8. 4 hours long-lasting heat preservation Product name:304 handle insulated lunch box Specifications: single layer Product material: food grade PP+304 stainless steel liner Product capacity: double layer 680ml Product color: dark blue, white Package Contents: 1* Bucket Lunch Box