What is the best cup to keep a drink hot?

1. Thermos: Thermoses are designed to keep liquids hot for extended periods of time due to their excellent insulation properties. They consist of a double-walled structure with a vacuum-sealed gap between the walls, minimizing heat transfer. Thermoses are also well-suited for travel due to their durability and portability.

2. Insulated Travel Mug: Insulated travel mugs are similar to thermoses in terms of their insulation design. They typically have a double-walled construction and may also incorporate additional features such as spill-proof lids and non-slip bases. Travel mugs are convenient for daily use, especially for people on the go.

3. Ceramic or Porcelain Mug with a Lid: Ceramic and porcelain mugs naturally have some insulating properties, but adding a lid can significantly improve their ability to keep drinks hot. The lid acts as a barrier, reducing heat loss from the surface of the liquid.

4. Double-Walled Glass Mug: Double-walled glass mugs consist of two layers of glass with a small air gap in between. This design provides insulation, keeping drinks hot while the outer wall remains cool to the touch. Double-walled glass mugs are popular for their aesthetic appeal and ability to showcase the color and clarity of the beverage.

5. Stainless Steel Mug with a Lid: Stainless steel mugs have good insulation properties and are durable, making them suitable for everyday use. A lid helps retain heat and prevents spills.

When choosing a cup to keep a drink hot, consider factors such as the duration for which you need to maintain the temperature, your portability requirements, and your personal preferences for materials and design.