There are many differences in the structure and material of positive and negative pressure protectors, which are generally divided into PP and PE categories in terms of material.
The flip cover includes a foldable upper cover sheet, which is connected to the cover body through a hinge structure.
Bottle caps are an important part of food and beverage packaging, and they are also the place where consumers come into contact with products.
Use a spoon to put it under the crown cap of the beer bottle, drag the spoon with one hand as the base point, and pry it down with the other hand, and the cap of the bottle can be opened.
Opening the bottle cap is a fire now, and you can see the "Bottle Cap Challenge" when you open various short videos or Tiktok . The key is that you don't need to use your hands to open the bottle cap.....
As the name implies, screw cap means that the cap is connected and matched with the container through its own threaded structure.
Cart(
