CVF-L1 INSULATED VACUUM FLASK 500 ML mix COLOR

About CVF-L1 INSULATED VACUUM FLASK 500 ML mix COLOR

• Double-walled construction:The flask consists of two containers, one inside the other, creating an inner and outer wall.
• Vacuum layer:The space between the two walls is evacuated of air, creating a vacuum.
• Thermal insulation:The vacuum layer drastically reduces heat transfer by conduction and convection because there is no medium (like air) for the heat to easily travel through.
• Reflective surface:The inner surface of the outer wall is often covered with a reflective coating (like silver) to minimize heat transfer by radiation.
• Durable materials:Modern flasks are commonly made from durable, food-grade stainless steel, though older models may be glass.
• Versatile use:They are used to keep liquids like coffee, tea, water, and juice hot or cold for hours, making them suitable for travel, picnics, outdoor activities, or office use.