Japanese style bento box set

Termo lunch box 
Stainless steel and PP material - easy to clean 
Quick assembly 
Portable & easy to carry to school, work, picnics, camping and more. 
Keeps food hot or cold for about 2-3 hours. 
Do not use in microwave.
Colors: green, blue, pink, gray
Sizes:
1 layer: 15 x 8.5 cm
2 layers: 15 x 14.5 cm
3 layers: 15 x 20.5 cm
4 layers: 15 x 26.5 cm
Capacity: 1 layer = 700 ml