They also sent a Thermal Dots Insulated Container ($25) that keeps food hot or cold. LunchBots design and use My Small Protein Packer Box is 5.5 inches by 4 inches by 1.5 inches, and it has four ...

Officials of the BIS noted that the ISI mark on insulated food containers like casseroles, vacuum water bottles, and thermo flasks was made mandatory as these are commonly used products in households.

Stainless Steel: Most commonly used for thermos drinkware due to its ability to maintain beverage temperature for extended periods and its resistance to rust and corrosion. Plastic: Lightweight and ...