100% silk, luxury feel in bed, it is light and soft which keeps us nice and warm in winter Fabric: 16mm charmeuse silk;Dimension: 140x200cm;Filling Content: premium mulberry silkFilling weight: 200gsm(summer), 300gsm(autumn), 550gsm(winter)Craftmanship. ring stitching pattern, 1.5cm piping edge.package: PVC bag