The rayon is bright, rough and hard to handle, and has a wet and cold feeling. When it is held tightly by hand, it is released, with many wrinkles. After flattening, there are still marks. Take out the cloth and rub it with the tongue end. The rayon is straight and easy to break and break. The elasticity is different when it is dry or wet.

The silk has soft luster and soft feel. The texture is fine and delicate. It can give out special sound when rubbed together. It is commonly known as "Silk chirp" or "Silk chirp". When it is tightly held by hand, it is released. The wrinkles are few and not obvious. The silk products have the same dry and wet elasticity.

Polyester fiber has strong reflectivity, large rigidity, rapid rebound, crisp, good wrinkle resistance, strong and strong, and is not easy to break.