It is the material of the cocoon before the worm became a butterfly.
It is a protein fiber wich can be used to make textiles. The silk fiber can be woven on a loom.
The main producers of silk are now China, India, Uzbekistan, Brasil, Iran, Thailandia, Vietnam, Korea, Romania y Japan.
History:
At this time only the Emperor and his family were allowed to use silk.
The first examples of silk found were from 3630 b.c.
Because of his shimmery it was very appreciated and with the time the silk get very famous in all the world. The tissue obtained is very soft, light and beautiful.
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