10Ml Plastic Test Tubes, 10 Pack Frozen Container Storage Clear Screw Cap, Clear

The test tube is mainly used in laboratories to store samples at low temperatures, to prevent sample volatilization. It can be used to store powders, liquids, and semi-liquids such as aqueous samples and other reagents.Advantage1. Screw-in and cover pad design seals well and prevents liquid spillage.2. The small tube is transparent and you can see the remaining amount. It is marked with a scale to let you know the volume of the sample.3. Made of durable plastic, it is easier to store than glass. Reusable, low temperature resistant, can be frozen for a long time.InstructionUnscrew the cap, pour the liquid into the bottle, close the cap and store it properly.NOTE: Please check the size carefully before purchasing.