Material:100% nylon Diameter:0.08-0.20mm. Diameter:50D/1F,100D/1F, ... /1F,320D/1F BOLONG–- A Leading Monofilament ExpertNylon Monofilament Sewing Thread Thickness:0.08mm-0.20mm . Diameter:50D/1F,100D/1F ... ,150D/1F,180D/1F,320D/1F Color:Transparent ,Black Nylon Monofilament Embroidery Thread mm/DN.W(grams)0.08/500.085/600 ... :84.0*50.0*33.0CM 0.09mm anti-UV nylon sewing thread of black