Product description: Sw31170 silk/wool 1*1 rib Composition: silk/wool30/70 Weight: 170g/m2 Width:44" The composition can be silk/wool--20/80, 40/60, 55/45, 60/40, etc. The weight can be from 80g/m2 to 320g/m2. Weight: 170g/m2 Width:44" The weight can be from 80g/m2 to 320g/m2.