A light duvet for the Summer months with a TOG value of 2.5. The casing is cotton sateen of 218 thread count. The filling of 60% silk and 40% wool is held in place by the quilted stitching of the duvet. The duvet is finished with edge banding.60% Silk 40% WoolNatural filling2.5 togMachine Wash 30°CCotton casingSilk Mix Shop At House Of Fraser