Plastic test tubes 81pcs 5ML Professional Freezing Tubes Plastic Vials Sample Tubes with Screw Lid

Description This is a frozen test tube mainly made of lightweight and durable plastic materials safe and gentle strong and freeze-resistant and can serve you well. Reasonable design excellent workmanship reasonable structure and volume can better help you collect liquid for sample storage. This is a very good plastic freezing tube and it will be your good choice of sampling tube. Features -Color: Assorted color. -Material: Plastic. -Size: About 5.80X1.80X1.30cm/2.28X0.71X0.51inch. -Capacity: 5 ML. -Mainly made of plastic materials. Lightweight and durable mild antifreeze. -With a test tube cover it is safer and more convenient and it will be your good choice. -With a reasonable structure and volume it can better help you collect liquids for sample storage. -Transparent and gentle smooth and durable it can serve you well. -It is made with excellent craftsmanship and has excellent airtightness so you can use it with confidence.