50 Pack Centrifuge Tubes with Screw Cap, 50ml Conical Test Tubes | Self-Standing Centrifuge Vials,Plastic Test Tubes with Graduation and Write-on Spot,Lab Small Containers for Sample Storage

Q: Do these tubes stand up on their own? A: Yes. These self standing centrifuge tubes with screw cap lid have a flat base that keeps them upright on your lab bench, fridge, or shelf. No rack needed. A true self standing centrifuge tubes with screw cap lid for everyday convenience.  Q: How do I close the lid? Does it leak? A: Twist to close. The centrifuge tubes with screw cap seal tightly and won't leak. Each plastic centrifuge tubes with screw cap gives you a secure closure for sample storage and transport.  Q: Can I write on these tubes? A: Yes. Each tube has a write-on centrifuge tubes screw cap marking spot. The frosted surface accepts pen or marker without smearing. Label your samples directly on the tube.  Q: Can I see the liquid level without opening the cap? A: Yes. The clear polypropylene plastic and precise markings let you check the volume at a glance. Each plastic centrifuge tubes with screw cap shows measurements from 5ml to 45ml.  Q: What are these tubes made of? A: Made from lab centrifuge tubes polypropylene. Strong, clear, and chemical resistant. Good for routine lab work, sample storage, and centrifugation.  Q: How many tubes come in a pack? A: Each pack gives you 50pcs centrifuge tubes with lid for routine experiments and sample storage. A reliable lab consumable for daily use.

• Leak-Proof Centrifuge Tubes: The screw cap centrifuge tubes seal tightly to prevent leaks and spills. Each leak proof sample vial closes securely, keeping your samples safe during storage or transport.
• Strong and Clear: This Screw top storage vials are made from polypropylene, these durable lab test tubes are strong enough for routine handling yet crystal clear for easy sample viewing. Built to withstand daily lab use.
• Flat Base Design: These self-standing conical centrifuge tubes feature a flat base that keeps them upright on lab benches, refrigerators, and storage shelves. No rack required. A practical flat base lab container for everyday use.
• Centrifuge Tubes With Printed Scale And Writing Area: Each test tube features a frosted write-on spot that accepts pen or marker without smearing. No more struggling to write on slippery plastic. The graduated centrifuge vials also have clear printed markings from 5ml to 45ml for quick volume reading.
• Centrifuge Tubes for High Speed Spin: Each pack gives you 50 pack centrifuge tubes, enough for routine experiments, sample storage, and daily lab work. A reliable lab sample storage container for research, clinical, and educational labs.