Why do PET health products popular bottle

Health food bottle, now with the development and changes of packaging materials, can choose packing style is constantly increasing. Plastic care bottles mainly PE material in the past, the PE and health products bottle tend to bottle walls thicker, mainly in order to build the bottle grade. But for the recovery of the health food bottle, it is eventually lead to a lot of waste of resources.
PE health food bottles and a very big shortcoming lies in not visibility, that is on the shelf of the health care products, consumers can only identify the product with the label instructions, this for the current product is more and more transparent, have apparently does not conform to the market development trend. P