
Why a Thermal Flask Might Be the Smartest Everyday Item You Own
Thermal flasks—also known as vacuum-insulated bottles or thermoses—have become everyday staples for commuters, travelers, outdoor lovers, and even homebodies who enjoy their drinks at just the right temperature. But with so many options out there, from budget buys to high-end brands, it’s fair to wonder: Are thermal flasks really worth it? The short answer is…