Do you know the basics of 30ml PP/HEPE narrow mouth (White)? Let's take a look at it briefly!

30ml PP/HEPE narrow mouth (White) includes the bottle body, bottle stopper and bottle cap. The cylindrical bottle body has an external thread on the outside of the mouth; the round bottle cap has an internal thread on the inside to make the cap can be tightened. On the outside of the bottle mouth of the bottle body covered with the bottle stopper, a through circular hole is formed on the top of the round bottle cap; the bottle stopper includes a small boss that can be inserted into the bottle mouth tightly, and the top of the small boss covers the bottle mouth. The big disc and the small disc at the top of the big disc, the size of the small disc is just right to pass through the through hole on the top of the bottle cap tightly, the big disc and the small disc are formed with an annular groove formed between the annular concave The size and width of the groove are really good to jam the top cap of the bottle cap. This utility model uses the bottle cap to tighten the bottle stopper, which can be reused, the bottle stopper will not fall off, and it is convenient to unscrew, without other auxiliary special tools, which is very convenient.
The above is a brief introduction to the basics of 30ml PP/HEPE narrow mouth (White).