Disposable insulin syringe 1ml 0.5ml Non-removable needle, needle size agreed from 27G to 30G 40Unit or 100Unit for selection High quality & clarity barrel, easy readability, accurate and clear scale markings Material of barrel and plunger:Material grade PP(Polypropylene) Materials of gasket: Natural Latex, Synthetic Rubber Sterilized by EO gas, non-toxic and non-pyrogenic Shelf-time:3-5 years Reduplicative biological and chemical test CE and ISO approved