Can I keep herbal tea for 2 to 3 hours in the flask?

Can I keep herbal tea for 2 to 3 hours in the flask?

Indeed, you can conveniently transfer your fresh herbal tea into a thermal flask after filtering out the herbs. This simple step ensures that your herbal infusion remains at the perfect temperature for up to 2 to 3 hours. Thermal flasks are ingeniously designed to preserve the warmth of your tea, granting you the pleasure of savoring it at your preferred level of heat. 

Ensure that the flask you use is specifically designed to retain the temperature of your tea. Insulated flasks or thermoses are particularly well-suited for this task as they can effectively keep liquids hot for an extended duration. Additionally, opt for a flask with a secure, tight seal to minimize any contact with air, as exposure to air can potentially alter the flavor and freshness of your tea.