Leak-Proof Screw Cap Tight sealing screw lid design, effectively prevents liquid leakage, evaporation and cross-contamination during centrifuging and storage.

Premium Lab-Grade Plastic Made of high-quality durable plastic, good toughness, crack-resistant, suitable for daily laboratory and biological experiments.

Standard 50ml Capacity Standard 50mL volume, perfect for sample separation, centrifugation, reagent storage, cell culture and biological testing.

Wide Application Ideal for laboratory research, biological experiments, chemical sampling, clinical testing, school teaching and daily sample storage.