This is Zojirushi stainless steel high capacity lunch jar set. It come with below great features that is not easily found in the market:
4 BPA Free microwaveable inner bowls
Anti Bacterial chopstick set included
Easy carrying bag for easy access
Stainless steel container with Vacuum insulation for heat retention
Able to maintain bailing soup above 67 degree after 6 hours of storage
Able to maintain ice water below 10 degree after 6 hours of storage
The capacity of the 4 bowls is : 200ml, 300ml, 280ml and 450ml.