This selection of small clear vials and laboratory test tubes features transparency for precise visual analysis. Engineered with advanced sealing mechanisms, these vials make no leakage, safeguarding valuable substances over extended periods. Features -Color:Transparent -Material:Glass, iron -Size:7.00X2.80X2.80cm/2.75X1.10X1.10in -Capacity: 30ml -Visibility for monitoring: these glass transparent tubes deliver unmatched clarity, allowing users to track changes in their samples effortlessly -Secure sample containment: these small lab glass test tubes keep all types of specimens contained without risk of spillage or contamination -Efficient: the 30 ml capacity strikes a balance between usability and storage efficiency, catering to diverse scientific and diagnostic applications -Space-saving and portable: designed for convenience, these vials glass fit easily into bags or racks, making them suitable for field studies or daily commutes -Ecoconscious and multipurpose: made from strong, recyclable glass vial bottles, these products support sustainable practices and adapt well to household or professional uses Package list: 30 x transparent glass test tube