Silk is a protein fibre. Textile fibres can be created from many natural sources, one of them being insect cocoons such as silk worm cocoons. As all fabrics have to go through several means of testing to be put on the market, as silks been around since (Yangshao culture, 4th millennium BCE) for it to be made in to connecting fibres and in to textiles Chinese legend Lady Hsi-Ling-Shih, She is credited with the introduction of silkworm rearing and the invention of the loom. This became a revaluation to textiles which embrace the fashion industry in many ways. The smooth light airing feel of the fabric is woven into textiles by going through a processes of the insect growing in to an adult their worm blanket of fibres are being recycled for worth of others. The shine appearance of the silk is a reflection on triangular prism-like structure of the silk fibre. This is what allows silk cloth to refract incoming light at different angles, thus producing different colours.