Package: 100Pack sterile lab syringe dispensing tool, each syringe is individually packed in a sealed PE bag. | Great Quality: Made of quality plastic, sturdy and thick. Measuring mark on the barrel are clear. Smoothy plunger and easy to operate. | Luer Lock Design: The luer lock design of the syringe make the attachment of needle securely, not easy to fall. | Widely Usage: Ideal for scientific experiment, plant nutrient solution injection, Measuring and dispensing fluid, ink refilling, applying glue adhesives, etc. | Use Attention: If you have any quality problems, please contact us for refunds and returns.