Steel Insulated Flask, Capacity: 750 mL

A steel insulated flask, also known as a vacuum flask or thermos, is a portable container designed to keep beverages hot or cold for extended periods. Made from high-quality stainless steel, it features double-wall insulation that creates a vacuum space between the inner and outer layers, effectively reducing heat transfer. This construction ensures that hot drinks like tea, coffee, or soup stay warm, while cold drinks such as water or juice remain chilled.