Premium Quality & Material: This pack includes 24 clear flat-bottomed test tubes made from high-grade PET plastic. They are robust, hard-wearing, and resistant to breakage. Plus, the caps are made from sturdy and reliable aluminum. These test tubes offer exceptional durability while and environmentally friendly. Perfect Dimensions: With a length of 150 mm (5.9 inches) and a diameter of 34 mm (1.34 inches), these test tubes offer a generous 110ml capacity. This makes them perfect for a wide range of uses, from storing candies, nuts, and beans, to beads, crafts, and jewelry. Exceptional Sealing: Each test tube is designed with a screw cap to provide optimal sealing. This ensures no liquid or other materials inside the tube leak out. You can fill the tubes with confidence, knowing the contents will remain securely inside. Versatile Applications: These test tubes are perfect for uses beyond scientific experiments and hydroponics. Use them as decorations for events like Christmas, Halloween, or New Year's, or even for storing items like powders, liquids, and more. Safety and Environmentally Friendly: Our flat-bottomed test tubes are made of non- PET plastic that's safe for humans and the environment. Please note:There is a slight color difference or difference in kind, it does not affect the use, please do not mind, thank you! Feature:Eco-Friendly Capacity:110mL Colour:Transparent Material:PET Size:About 150x34mm Package Contents: 24 * plastic test tube Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.