This yarn is a unique blend of anti-pilling acrylic, superfine wool and viscose pearl fibers carefully fused together, in which the pearl fibers are unique in the use of advanced technology, the nano-sized pearl powder is integrated into the viscose fiber inside, so that the fiber inside and outside of the uniform distribution of tiny pearl particles. In contact with the skin for a long time, this pearl fiber not only has the effect of skin care, but also anti-bacterial, skin whitening, and effective protection against UV. The yarn itself has a smooth texture, revealing a pearly luster and a soft, dense feel.