shawl 1.100% pure natural silk 2. Super soft and comfortable 3. Natural antimicrobial absorb sweat 4. Protect the skin Silk shawl. Fabrics are 100% of mulberry silks ,The silk sticky composition of silk contains 18 kinds of amino acid ,These subtle members that amino acid sends again call " sleep factor " ,It may make the nerve of person be in stable situation , can enhance sleep , strengthens ...