Disposable Insulin SyringeProduct description1. Syringe size: 1ml/U-40, U-1002. 29G, 30G ,31G ... to the ISO7864: 1993needle hub made of high transparent medical grade PP, semi-transparent hub for clearness of flashbackneedle ... protector made of high transparent medical grade PPlubricant silicone oil, medical gradegraduation indelible inkPACKAGING blister or plastic package ...