Description This set of glass tubes with cork stoppers, test tube brushes, and funnels is the great addition to any laboratory or science enthusiast. These glass tubes are sturdy and reliable. The cork stoppers effectively prevent leaks and spills, making it easy to store and transport samples. Features -Color:As Shown -Material:Glass -Size:15.40X2.10X2.10cm/6.05X0.83X0.83in - Abundant accessories: This set includes glass tubes with cork stoppers, funnels, and cleaning brushes, providing enough tools for experiments. - Sturdy glass: Made of sturdy glass material, these tubes are resistant to wear and high temperature, ensuring long-lasting use. - Cork stoppers: The cork stoppers of glass tubes effectively prevent leakage, ensuring the safety of your experiments. - Convenient to clean: The tubes can be easily cleaned by rinsing them under water and using the included cleaning brushes. - Wide application: These glass tubes with cork stoppers are suitable for use in laboratories, party games, Halloween, and more.Package list: 16 x tubes with cork 1 x funnel 1 x brush