Refilling bottled drinking water seems to be economical, when in fact this bottle is designed to be used only for single use. Using it repeatedly turns out to carry health risks. Usually disposable plastic bottles are made from PET or PETE (polyethylene terephthalate) plastic material. Although clearly labeled as disposable, but not a few people use this PET bottle repeatedly, either for ignoring it, or even not knowing the meaning of the information that is generally printed at the bottom of the bottle. Pay attention to the ingredients used in plastic bottles Each plastic bottle is made from a different material, with different purposes for use. You can tell the difference by looking at the numbers at the bottom of the bottle. The triangle code under plastic packaging number 1, 2, 4, and 5 is considered safe. However, you should avoid using plastic numbered 3, 6, and 7. Although there is also plastic numbered 7 which is classified as environmentally friendly plastic that is stil