Yarn is a very long fiber used in textiles, sewing, knitting, rope making, etc. Yarn can be made from a variety of natural or synthetic fibers, such as cotton, silk, bamboo, hemp, soybeans, sheep, camels, cats, dogs, foxes, rabbits and other animal hair, as well as various artificial fibers.

In textile industry, "yarn" refers to the general term "yarn" and "thread": "yarn" is a slender object with certain strength and linear density by arranging many staple fibers or filaments in an approximate parallel state and twisting along the axis; and "thread" is a strand of two or more single yarns twisted together.

Bidh a’ chompanaidh againn a’ dèanamh sìneadh snàth inneach,covered yarn, snàth còmhdaichte le rubair，All of them belong to yarns.

Textured yarn：

Textured yarn can be used for covered yarn, Rubber Covered yarn, or other applications of jeans, pants, stockings, gloves, knitted fabrics, woven fabrics, underwear, sportswear and various other products.

Snàth còmhdaichte

Covered yarn is made of polyester/nylon textured yarn, monofilament, cotton yarn and other textile fabrics. The outer side filament is wound and then winding with polyurethane core filament or spandex/other yarns.