DescriptionThey're simple to fill and the lids fit tight, no leaks. Good transparency, accurate measurement scale. Great choice for general-purpose and laboratory use, adapted to centrifuge and widely used in clinical chemistry, molecular biology, bio-chemistry and other experiments and research.Features- Material: Glass. - Capacity: 15ml. - Smooth products, good transparency, accurate measurement scale. - Suitable for office supplies, scientific experimental consumables, hospital equipment, etc. - 15ml capacity, the test tube is perfect for working with liquid samples. - Featured with a cap, providing a safe, reliable and leak-resistant seal. - Manufactured with professional technology to ensure the safety of it and can work for a long time.