These 50ml clear glass test tubes with screw caps are essential for any laboratory setting. They for sample testing and storage, providing a secure and airtight seal. The transparent glass allows for easy observation of the contents, making them ideal for scientific research, experiments, and educational purposes. Features -Color:Transparent -Material:Aluminium, glass -Size:10.00X3.00X3.00cm/3.93X1.18X1.18in -Material: crafted from transparent glass, these jars are durable and allow for clear visibility of the contents, essential for accurate sample observation -Size: with a 50 ml capacity, these jars are ideal for small sample storage, making them for laboratory use, diy projects, and more -Lid: the screw caps ensure a tight seal, preventing leaks, which for maintaining the purity of your samples -Set: this you have plenty of containers for various uses, from scientific experiments to home storage solutions -Application: for storing and testing samples, these jars are a for laboratories, hobbyists, and anyone needing reliable small storage solutions Package list: 30 x Tiny Jars with Aluminum Screw Lids Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 499 hours.