Dadabig 50 PCS Plastic Test Tubes with Lids, 5ML Graduated Plastic Centrifuge Tubes, Cryogenic Test Tube Graduated Marks and Screw Cap Small Vials Container for Laboratory, Blue and Orange

LABORATORY TOOLS: Cryogenic test tube is suitable for all kinds of frozen experiment, can be used to hold solid liquids and powders, which is a little helper of the experiment, easy to operate and convenient to use. DURABLE MATERIAL: Plastic test tube is made of premium plastic, high temperature and low temperature resistant, can be frozen for a long time. Good sealing, no leakage and evaporation. PRECISE SCALE: Frozen test tubes with clear scales ensure accurate measurement results and easy to read liquid volume. Good transparency makes it easy to distinguish and observe internal liquids. WIDE APPLICATION: Plastic sample tube is suitable for samples, essential oils, perfumes, dyes, etc. Can be used in hospitals, epidemic prevention, schools, research laboratories, etc. VALUE PACKAGE: Comes with 50 pieces cryogenic test tubes in blue and orange, each color for 25 pieces, the capacity is 5 ml.