Features:
High-quality plastic material, with good temperature resistance and sealing, safe and sturdy.
With 1-2ml scale, transparent scale, easy to read the liquid volume, easy to use.
Refrigeration-resistant, the inner wall is siliconized, safe and durable, and can be frozen for a long time.
Ideal for laboratory sample storage. Strong corrosive liquids are not recommended.
Each screw cap of the test tube has a rubber sealing ring to prevent liquid leakage and safe use.

Specification:
Material: plastic
Size: 0.51*1.73in/1.3*4.4cm
Color: as shown in the picture
Uses: Small graduated vials for hospitals, schools and laboratories, can be used to store pills, seeds, etc.

Package Includes: 50pcs

Notes:
Please allow slip errors due to manual measurement.
Colors may vary slightly for different monitors.