"Seashell" Pearl Fiber is a kind of functional fiber that made by putting nano pearl powder into the internal fiber during spinning with high-tech manufacturing. Nano pearl powder distributes in the internal and external fiber, and it makes the fiber feel smooth and cool and also look bright. Pearl fiber and pearl fiber yarn both have no harmful chemical substances, they all have a natural affinity with skin, with beauty skin care, moisture permeability, feel comfort, whitening skin, anti-UV and far-infrared emission and many other functions.