1. Injection-tube size1ml,  2ml,  3ml,  5ml, 10ml,  20ml,  30ml,  50ml,  60ml 2. Sterilized by EO gas, non-toxic, non-pyrogenic, for single use. 3. Luer slip or Luer lock connector 4. medical and high transparent PP material for tube and plunger 5. With or without needle. 6. Hypodermic needle: 29G, 28G, 27G, 26G, 25G, 24G, 23G, 22G, 21G, 20G,18G,16G 7. Material for gasket: Natural latex or Synthetic rubber(latex free). 8. Transparent casing for easy observance;� strongly adhesive printing ink of the scale that will not fall off. 9. Certificates: CE, ISO 13485 10. Unique anti-separate structure can prevent the core rod from accidental separation from the casing. 11. Individual pack: PE or blister