Our laboratory sampling and dispensing bottles come with stoppers, providing a secure seal to prevent sample leakage. These transparent plastic test tubes are ideal for various uses, including DIY containers, candy tubes, and scientific experiments. The high transparency and sturdy construction make them suitable for storing liquids, powders, jewelry, seeds, beads, or samples. Features - Color: Transparent -Material: - Size: 15.00X1.50X1.50cm/5.89X0.59X0.59in Volume: 13ml -These versatile containers are fit for storing candies, conducting scientific experiments and promoting plant growth. -The convenient size sampling bottles and stoppers provide a secure seal, effectively preventing any leakage of samples or contents. -Made of high transparency , these test tubes are sturdy, lightweight, and resistant to breaking, ensuring long-term use. -Ideal test tubes for storing a variety of items such as liquids, powders, jewelry, candies, seeds, beads, or other small samples. -The cork stoppers make these test tubes easy to open and close, making them fit for laboratory applications, plant propagation, and decorative purposes at home. Package list: test tubes