Menshen developed a new bottle cap called "Cool Cap". The cap is suitable for carbonated or non-carbonated beverage bottles and can also be used on three-dimensional sachets or carton packs. With the one-handed lever principle, the cap is easy to open, and at the same time, because the cap is designed to release the pressure on the side, it also improves the protection for consumers. This kind of bottle cap can be used with ordinary filling production lines and it is also suitable for aseptic cold filling.