Test Tube Set: 30 pcs 2 x 15 cm glass test tubes with corks, 40 pcs heart-shaped kraft paper tags, 10 m rope, 2 funnels. Sufficient to meet various needs. High Quality Material: The transparent test tubes are made of high-quality glass, durable and non-toxic. The bottom of the test tube is rounded, the wall thickness is uniform, and the transparency is high, making it resistant to breakage. Can be reused after cleaning. Good Seal: The natural cork provides excellent tightness, offering a good barrier against outside air and liquids, preventing contents from spilling. Suitable for use in classrooms, medical settings, laboratories, and chemical industries. DIY Filling: These test tube jars are ideal for various DIY decorative projects. Use the test tubes to store liquids, powders, candy, grains, beads, dried flowers, seeds, coffee beans, and more. Decorations and Gifts: These test tubes are perfect for party decorations and gifting on various occasions such as baptisms, birthdays, weddings, Halloween, Christmas, and other events. Fill with candies or other items for table and room decor, or give as thoughtful gifts to family, friends, and guests. Funnel style is randomly delivered; color cannot be specified. Color: Transparent Material: Glass Package Contents: 30 x test tubes 30 x corks 40 x heart-shaped labels 1 x 10 m twine 2 x funnels 1 x test tube brush Only the above items are included; other items are not part of the package. Note: Due to light reflection and differences in display screens, the color in the image may slightly differ from the actual product. Measurement error is +/- 1-3 cm.