This is a clear plastic Sample Bottle with screw cover, smooth wall and good transparency, the sample test tube comes with good sealing cover thus samples will not volatilize，1-5ml calibration makes it easy to read the liquid volume.
The test tube is suitable for all kinds of frozen experiment, it can stand and you can use one hand to unscrew the cover, easy and convenient operation.
This Test Tube Bottle Sample Bottle is widely used in hospitals, epidemic prevention station, schools, scientific research laboratory.

Specifications:
Height: 58mm/2.28inches
Diameter: 15mm/0.59inches
Volume: 5ml
Quantity: 10pcs per bag
Weight: 36g(approx)

Package Includes:
10PCS Plastic Test Tubes

Note:
1, Please allow small errors in the dimensions due to accidental imprecise manual measurement.
2, The color of the item you received may be slightly different from that displayed on photos, as the brightness and color varies in different computer screen.