Ideal for educational and professional laboratory use, our 5ml plastic tubes with screw caps offer a practical solution for sample management. The tubes are designed to be durable and resistant to low temperatures, making them suitable for cryogenic applications. The screw cap ensures that the samples are safely contained Features -Color:Transparent -Material:Plastic -Size:4.20X1.50X1.50cm/1.65X0.59X0.59in -Optimal capacity: the 5 ml volume is ideal for a variety of lab experiments, providing ample space for sample storage -Protective cap: the cap design safeguards against corruption, ensuring your samples remain pure -Leakresistant: the screw cap offers a leakproof seal, giving you peace of mind during sample handling -Sturdy plastic: made from plastic materials, these tubes are robust and reliable for repeated use -Operational ease: these tubes are designed to simplify lab operations, boosting overall productivity Package list: 60pcs x tubes