PSA Silk is a fabric!

Many sellers list an item as silk but then show the fabric as something else like polyester. Silk is a fabric, something can be 100% silk or a silk blend but it can't be "silk polyester". "Silk is a natural protein fiber, some forms of which can be woven into textiles. The protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons. The best-known silk is obtained from the cocoons of the larvae of the mulberry silkworm...." - Wikipedia