The two smart compartments, one sturdy pot. The two compartments keep the ingredients separated in the lunch pot. This way everything will be kept fresh and crispy till the moment you want to mix and blend them together. The vacuum insulated stainless steel: Keeps your food warm or cold for hours (upto 10 hrs), 2 leak proof compartments to keep the different ingredients separated. The outside stays dry and cool, no matter how hot or cold its content. Dishwasher safe.