Answer: Below :P
Explanation: Silk is so valuable and or expensive because of the quality of it. Silk has been used to make multiple fabrics including clothing, curtains, sheets, (etc.) You may have seen it used in stuffed animals or halloween costumes. Sometimes it's called polyester. A well known and used fabric. And just like cashmere, it's expensive. Really, expensive. The total cost for a full yard is about 8$ to 80$. It can differ on the amount. So uh. . .
Yeah! I hope that helped! Thx!
(~ ̄▽ ̄)~