... , the quilt 100% superfine mulberry silk. The inside cover linked with external cover by locks all around, and it has manual ... .Comfort: composed of azelon, the silk shares perfect biocompatibility with human body, showing the lowest friction irritation cofficient to human ... , such as amidocyanoge. (-CHNH) and amino-group (-NH2), along with its porosity which is significant for the spreading of water ...