Tencel is a plant fiber made of wood pulp in terms of composition, and the other three are all pure cotton. Tencel is soft and smooth, suitable for summer use. Pure cotton is a basic requirement that is harmless to human body. Sanding is based on pure cotton, and very fine wool is made on its surface by special technology, which is thick and textured and suitable for winter use. Satin is also a kind of pure cotton, but the weaving method is different, and the smooth cloth is thick, which is used for weddings.