If you’re prone to forgetting your cup right after you’ve poured it, or you’re routinely active or distracted throughout the day, you may be looking for a way to keep all of your hot beverages from turning into cold brew.
That is, if you actually get to enjoy it before it’s gone cold and stale. There’s a lucid comfort in the warmth of a steaming-hot cup of coffee or tea, as well as a calming reassurance that whatever’s in your mug is going to keep you going for the next few hours.
