2ML Microtubes Specimen Tubes With Screw Cap and O Ring, Leakproof

1. Manufactured from clear polyproplylene offer excellent view of tube contents
2. Tubes are ideal for sample processing and storage application
3. Caps including O-ring create excellent seal for security storage
4. Easy for single-hand operation
5. Polished area on tube for writing or labeling
6. Autoclavable