Fabric selection requirements
According to specific requirements, it can be roughly divided into cotton, polyester, T\C, CVC, nylon, leather, velvet, grass, PVC, non-woven fabric, and paper. However, the commonly used fabrics are mainly fabrics, and most of them use PVC, non-woven fabrics and paper caps when the price is relatively large.
Advertising cap function–Keep your hair warm and cold
The head is called “The Meeting of All Suns”. Medical research has found that people who do not wear a hat in a static state, when the ambient temperature is 15℃, the heat lost from the head accounts for 30% of the total body heat and 60% of the total heat at 4℃. If the head catches the cold, it will cause cerebral blood vessels to constrict, and lightly feel dizzy, headache, or cause scalp nutrient circulation disorder and hair follicle metabolic dysfunction, which leads to the nutritional imbalance of the hair or the unnatural loss of a large amount of hair. In severe cases, it may also induce the patronage of some diseases. It can be seen that in the cold winter, the head, like other parts of the human body, needs to be kept warm and cold.