Silk sutures Non-absorbable sutures This product is the (non-absorbable silk) suture with needle. The basic material for the suture needles is the stainless steel alloy while the suture is the silkworm silk. The suture body is smooth and flexible, with less dragging effect to the tissues, high tensile strength and good bio-performances. Technical details : Productsilk sutures Suture characteristicssynthetic non-absorbable surgical suture Suture typebraided Materialsilkworm silk Absorptionnon-absorbable Usp rangeusp2~usp6/0 Colorblack Sterilizationgamma rays of cobalt 60. Shelf life 3 years Needle typeall needle profiles conforming to usp standards. Thread length45cm, 75cm, 150cm Needle length13mm-50mm Packagingin aluminium foil packages with or without needle 12 units in one box  50 boxes in one master carton