Pack hot or cold food inside, and the insulation will ... consider packing something like these PrepNaturals glass meal-prep containers inside your lunch box. Q. Are stainless steel lunch boxes ...
Second, they aren’t leakproof, which means that transporting them to work for lunch can be a messy ... After removing glass food-storage containers from a hot dishwasher, the experts we spoke ...
This preference for non-plastic bento boxes very quickly narrows my lunch box selection ... They also sent a Thermal Dots Insulated Container ($25) that keeps food hot or cold.