It is indicated by the fact that it might serve us a lot regards developing the class of the water, as it has solid filters built in, due to which we might filter the water and make it be far healthier. Although in countries, where the standards of living are higher, the water is generally not likely to have dangerous bacteria etc. in it, we ought to be aware of the fact that this kind alternative can help us during travels to more exotic places, above all those, where the water is not widely available and, as a result, we need to take it from different sources.
Another interesting option that might get our attention in terms of farther travels to more exotic places all over the world is a lifestraw that is very similar to the product presented in first paragraph. The only one, but pretty significant difference, is related to its size that is considerably smaller. In fact, this good is a pocket filter that we may use even in the most hard conditions and have it for instance in our trousers so that we would be able to make use of it every time we would need it to.