Go outside for travel, smart people will bring these three things, tourists: key moments are very useful

Nowadays, people's living quality has improved, and transportation has become very convenient, which has also promoted the development of tourism. Now people go out to play, they only need to prepare luggage and set off, and along the way they can witness various attractive landscapes. However, since it's an outing, it's still necessary to prepare some useful things in advance, so as to avoid a lot of trouble. Today I'm going to talk about the three things that smart people will bring when traveling outside, and tourists say they are very useful at critical moments. Do you know what they are?
A thermos, many people go out to play and live in hotels, and they find that there is no hot water, and they have to think of their own way to solve it. It's not a problem in the summer, you can drink cold drinks directly, but in the cold weather, you must drink hot water to warm your stomach. Therefore, it's best to carry a portable thermos, which doesn't take up much volume and also has voltage conversion function, so you can use it anytime.

A dirt-repellent sleeping bag, nowadays many hotels are not very clean, especially in remote scenic areas, it's difficult to have many choices for accommodation, generally it's a guesthouse or a budget hotel. At this time, the dirt-repellent sleeping bag is very useful, it's very easy to use, just open it and you can use it, it has a high safety factor, and you don't have to worry about hygiene at all, and you can ensure sleep quality while lying in it. Moreover, it can promote sleep, so you don't have to worry about dark circles because you can't sleep. For outdoor travel, smart people will bring these three things, tourists: key moments are very useful, do you have any ideas? Will you bring these three things when you go out?