Why only stainless steel water cups can be used as thermos? Can other materials be used as thermos cups?

More than one friend has asked the author about this topic. Today, the author will explain why, but the title is not strict enough in the strict sense, but in order to let everyone understand the author at once, the title is set up like this. What is a thermos cup? What is a thermos cup? Are there any strict international requirements for thermos cups? As the name suggests, a vacuum flask is a water cup that preserves the temperature. This temperature represents bot

How to Choose A Water Bottle

While buying the correct water bottle might not be as exciting as searching for the new mobile phone setup you`ve been lusting after, the choice is still an extremely important one. In some ways, it might be one of the most important purchases you make, because it could be the piece of gear you use most frequently over the course of its lifetime. Little issues like a squeaky lid, heavy materials, or poor lip-to-lid interaction can potentially drive you crazy over tens of thousands of sips. But the journey is worth it: there`s something magical about finding the right one. Here are my tips for finding the right water bottle for you. Be Realistic About the End Use While I could happily geek out on the latest technologies, I don`t think you ne