Sample Storage High-quality containers and systems designed for the secure and efficient storage of samples, ensuring their integrity and stability for accurate analysis and research. 1.5 ml safety lock microtubes 2 ml safety lock microtubes 60 ml polypropylene containers (38 x 65 mm) EUROTUBO® 12 ml screw cap tubes, round bottom Polyethylene caps for tubes of Ø 12 – 13 mm Round bottom polystyrene tubes Ultra clear polypropylene round bottom tubes