They are Ideal for storing and testing various samples in laboratory environments. The clear plastic design allows for easy observation, making them suitable for a wide range of scientific experiments. Features -Color:Assorted Color -Material:PE,Plastic -Size:8.50X3.00X3.00cm/3.34X1.18X1.18in -Plastic material: made from plastic material, these tubes ensure sample purity, improving the accuracy of laboratory experiments -Leakproof: equipped with cap, these tubes prevent leaks during transportation and storage -Singleuse protection: designed for onetime use to avoid crosscontamination, ideal for clinical microbiological testing -Simple usage: userfriendly design ensures quick and easy sample collection, enhancing the efficiency of healthcare workers -Precision cultivation: offers a highprecision environment for growth, aiding in accurate medical diagnoses Package list: 100 Tubes