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- Color: Transparent+black. - Material: Glass.- Size: 12.00X2.50X2.50cm/ 4.72X0.98X0.98in. - Capacity: 10ml. - Practical laboratory centrifugal tube, good transparency, accurate measurement scale. - Suitable for office supplies, scientific experimental consumables, hospital equipment, etc. - 10ml capacity, the test tube is perfect for working with liquid samples. - Featured with a cover, providing a safe, reliable and leak-resistant sealing effect. - Manufactured with professional technology to ensure the safety of it and can work for a long time.