Is the silicone bottle good or the plastic bottle?

It is very good to use a silicone bottle. Plastic bottles are widely used in the safe and non-toxic materials of polypropylene and polysulfone. Polypropylene is cheap and has low transparency; polysulfone plastic is resistant to high temperature, material is safe and non-toxic, and meets the US FDA food contact certification, but the price of polysulfone is high, and black-hearted manufacturers use recycled materials (recycled materials) to produce safe and healthy problem. Silicone is a thermosetting material, and there is no problem of returning material. Silica gel is chemically stable and resistant to high and low temperatures, and is an ideal material for food contact.