21. Camel skin
Camel skin is a unique granular texture of leather model. The image itself looks hard, but the leather is very soft and comfortable, and has been popular for many years.
22. Pigskin
Pigskin (pigskin), which is said to be closest to human skin, is considered to be the most mild natural leather and feels comfortable with human skin.
23、Polycarbonate
After toughening, it is used as racing glass (polycarbonate) and polycarbonate (carbon dioxide plastic) materials, which are more durable than normal plastics.
24、Alcantara
Alcantara is a kind of artificial leather with the feeling of endothelium. Compared with natural leather, it has better air permeability. It is mostly used in the seats and interiors of high-end cars.
25. Rubber rubber
Rubber is a soft and smooth material, very close to the hand. Because the rubber is completely waterproof, it is often used in diving and sports watches.
