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 Bombyx mori reared in captivity. Silk is a natural fiber known for its luster, shine, strength, wrinkle resistance and durability. Although silk is valued for its delicacy, that same delicacy is considered a disadvantage of the fabric, Sweat, bleach, body oils, fragrances, and sunlight all all can effectively harm it. So sometime It is mixed with other fabrics to make our blended silk.