They are manufactured according to Ministerial Decision A6 6404. The materials used for their construction that come into contact with the injectable liquid are virgin raw materials and not recycled. They are sterile, pyrogen-free, free from hemolytic substances, and non-toxic. They do not contain substances that inactivate microbes.

The blunt tip of the needle is sharp and free from protrusions and any other defects. The needle tube is straight and of normal wall thickness. The outer surface is smooth and shows no corrosion. They come with a protective cover.

Their sterilization is performed with ethylene oxide, a method that is valid and recognized within the European Community.

The needles are individually packaged. The packaging materials are plastic film and medical paper to ensure sterilization. The packaging includes a description of the type in Greek, a reference to the gauge of the needle, the sterilization method, production and expiration dates, and the manufacturing factory.