Designed for optimal performance, these glass vial tubes and transparent test tubes deliver unmatched visibility for monitoring samples closely. Equipped with tight-fitting caps, these small liquid sample vials maintain integrity by avoiding any risk of spillage. Features -Color:Transparent -Material:Glass, iron -Size:7.00X2.80X2.80cm/2.75X1.10X1.10in -Capacity: 30ml -Enhanced clarity for accurate results: utilizing clear glass tubes, these test tubes enable scientists to achieve reliable results by observing samples closely -Dependable leak prevention system: these sealed vials boast sealing mechanisms, even when handling volatile substances -Tailored for laboratory efficiency: the moderate volume of these small glass test tubes suits tasks requiring meticulous division of reagents or storage of specimens -Travel-friendly and organized: their sleek design ensures these empty test tubes remain organized and accessible during trips or fieldwork sessions -Heat-tolerant and hygienic: created from glass materials, these transparent glass tubes endure temperatures and remain hygienic after thorough cleaning Package list: 30 x transparent glass test tube