... 100% silk 3. Different Weight/Size for seasons 100% Handmade Natural Mulberry Silk QuiltFabric: 100% cottonFilling: 100% best mulberry silk with ... long silk floss, pure natural, not machine-made, no chemical added, no bleached, no scrappy ... on it for a long time.4) With a natural antimicrobial performance no chemical like camphor ball should be available ...