... & Z Color : Raw White , Semi-dull, BOLONG–- A Leading Monofilament ExpertMaterial:100% Nylon 6Diameter:15D/1F,17D/1F,Twisted: S & ZColor : Raw ... White , Semi-dull, Package: 16 bobbins/carton, 8"S"+8"Z"Net ... : 324 ctns/670 ctnsUse : Panty-nose, Hosiery, Socks 15D/1F high twisted nylon monofilament yarn