Yes, tiffins can be stacked safely inside thermal bags without spilling if they are leak-proof and the bag is designed to keep them upright. Using tiffins with secure lids and a thermal bag with compartments or a flat, stable base is crucial.
Stacking tiffins in a thermal bag without spills depends on several factors. First and foremost, the tiffins themselves must be leak-proof. Look for tiffins with tight-fitting lids, rubber seals, or screw-top closures. These features prevent liquids from escaping, even if the tiffin is tilted.
Secondly, the design of the thermal bag plays a significant role. A bag with internal compartments helps keep tiffins separated and upright, reducing the chance of them tipping over and spilling. If the bag doesn't have compartments, ensure it has a flat, stable base. This provides a solid foundation for the tiffins and prevents them from shifting during transport.
Finally, consider the weight distribution. Place heavier tiffins at the bottom of the bag to maintain stability. Avoid overfilling the bag, as this can put pressure on the tiffin lids and increase the risk of leaks.
Before placing tiffins in the thermal bag, test them for leaks by filling them with water and tilting them at various angles. This simple test can save you from messy spills later on.