What kind of water bottle is healthy for drinking water?

Water is the source of life. Normal people need more than 2,000 milliliters of water every day.
Because of the dry indoor environment in the office, office workers even need to drink more water, among which the cups for drinking water are very important. Some people think that as long as the water bottle can be used, in fact, it is not so, then what kind of water bottle does the urban white-collar use to drink water to be healthy? 

Glass water bottle. Apart from being transparent and beautiful, glass water bottles are the first choice for the health of water bottles.
Glass water bottle don't contain organic chemicals in the process of firing. When people drink water or other drinks from glass water bottles, they don't have to worry about the chemicals being drunk into their stomachs, and the glass surface is smooth, easy to clean, grease, dirt is not easy to breed in the cup. 

Enamelled cup. It is made by high temperature enameling at thousands of degrees. It does not contain harmful substances such as lead. It can be cleaned as well as glass. It can be used safely. 

Coloured Ceramic Cup. Most of the color pigments contain heavy metal elements such as lead, which are easy to dissolve and precipitate when the cup is filled with boiling water or high acid or alkaline beverages. 

Plastic water bottle. This is the choice of many people, but it is not the best choice. There are many subdivisions in the composition of plastic water bottles, not all of which can withstand high temperatures, some of which will precipitate chemicals in high temperatures, and even cause people to risk carcinogenesis.
In addition, grease bacteria and other easy to accumulate on the plastic, even after repeated cleaning with detergent, they often still have the feeling of not cleaning.
It is suggested that plastic water bottles should not be used, even if they are used, water bottles made of edible grade plastics that meet the national standards should be selected.