Sufficient to Use: there are 100 pieces of plastic test tubes with in the package, which are enough to meet your needs for storing specimens and daily changing uses; And these plastic test tubes with lids can also be applied as store seeds, beads, powders, spices, liquids and so on Store in Low Temperature: these tube vials can be stored at low temperature for a long time, it is resistant to low temperature; These plastic tubes with are . 115 x 95 mm, and the capacity is 10ml; The size is moderate to meet your needs, small and convenient to use Reliable and Durable: these plastic tubes with lids are made of quality plastic materials, which are safe and reliable, sturdy and not easy to break; And the transparent body can help you observe the contents without opening the cover Leakproof, Good Sealing: these plastic vials with have O shaped silicone sealing ring inside to prevent liquid from leaking, so that you can shake or transport these tubes with lids without worrying about leakage Wide Applications: these clear storage tubes with are suitable for storing essential oils and other samples; These small tubes with can be applied not only in scientific experiments, but also in and science party decorations Colour:Transparent Material:Plastic Package Contents: 100 * 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.