Silk?Tie Fabric tie fabric?is very popular and high grade tie fabric. Silk yarn is natural fibers , it is harmeless to the human boday .It is the?first choice for healthy living .How to distinguish the silk from poly material , expect the?feeling , it can burning the thread ,Silk will become?ash after burning.How to care it , it should be immersed in cold water for 5-10 minutes and use special silk detergent to synthesize low –foaming washing powder or neutral soap and rub lightly .It should dry in a cool and ventilated place after washing.