Rayon is the man-made fibre prepared from the natural materials. It is the man-made fibre which is regarded as artificial silk. It is obtained by the chemical treatment of wood pulp or cellulose. Although rayon is obtained from natural source, wood pulp, yet it is a manmade fibre. Its fibres can also be woven like those of natural fibres. It is cheaper than silk but can be woven like silk fibres. It can also be dyed in a variety of colours.