Flax is the nigh strongest amid the natural cellulosic fibers. It is a bast fiber. Flax fiber is extracted from the skin of the stalk of the flax institute. Flax is manufactured into linen yarn for thread or woven fabrics. So it is too called linen. It is likewise i of the oldest fibers, which was used more than thirty,000 years before. Linen cloth made from flax was used to twine the mummies inward the early Egyptian tombs.