High-quality materials: 40 pieces test tubes made of plastic. It is a product made of high-quality transparent plastic and cork, which is and durable. It can be reused after washing. It is easy to carry and not easy to break, and it is more stable and than glass tubes. Good sealing: test tubes with cork 20 ml has a good seal. Tubes with corks provide a good dry storage to prevent spoilage of stored items. They insulate air and liquids and prevent contents from leaking for good storage. You can wash the tube to keep it clean, perfect for reuse and other purposes. [Multipurpose Test Tube] The small glass bottle with cork is transparent. The test tube can be handmade, homemade and so on; it can not only be used as a necklace pendant, perfume bottle and message bottle, but also as spice jar, oil glass, herb storage jar, mini candy glass, hanging decoration, lab experiment, wedding gift wait. [] The test tube with cork is an perfect choice for decoration lovers. You can in an exquisite gift box and combine it with different content as souvenirs, gifts, etc. according to the preferences of guests. [Quantity and Size] Test tubes for flowers contains 40 test tubes each with a wooden stopper. The size of the test tube is . 150 x 16 mm, . 20ml Equipped with natural cork, good sealing, tight sealing and no leakage. Flower seed test tubes can be used to manually fill , almonds, spices, candy, bath salts and other small items to make special gifts for family and friends. Can not only be used as a laboratory test tube, but also as a decoration for storing flowers, seeds, candies, etc. Capacity:20 ml Colour:Transparent Material:plastic Size:. 150 x 16 mm Package Contents: 1set * test tubes for flowers 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.