This 30PCS 120ml Clear PP Round Bottom Centrifuge Tube Set is designed for routine laboratory storage, liquid handling, sample organization, and general lab workstation use. Each tube features a 120ml capacity, clear plastic body, round bottom structure, and flat cap design for convenient daily handling. The PP material body is lightweight and practical for routine laboratory applications, while the clear tube wall allows easy observation of contents and liquid level. Supplied as a 30-piece set, these tubes are suitable for school laboratories, testing facilities, research workstations, classroom demonstrations, and general laboratory storage use.