50 Pieces 5ml Clear Plastic Graduated Vial Tube with Blue Screw Caps Cold Storage Plastic Storage Container Test Tubes Plastic Centrifuge Tubes Conical Bottom Standing Plastic Vial

Capacity: 5ml Overall size: 16 x 59mm Color: Clear tube, blue cap Material: PP (Polypropylene) plastic ?100% brand new and high quality ?Graduated vial tube - Flat screw cap conical bottom centrifuge tubes, self-standing designed ?Clear scale on tube body, which facilitate accurate sampling ?High temperature and high pressure sterilization, can be stored at low temperature, can be stored in liquid nitrogen tank, with graduated ?Good for storing liquid, essential oils, seeds, powder, beads samples, and so on Package included: 50 x Clear Plastic Graduated Vial Tube with Blue Screw Caps