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, strong and durable. The bottom of the test tube is smooth, with uniform wall thickness and high transparency, making it resistant to breakage. Can be reused after cleaning. Good Seal: Natural corks provide excellent tightness, offering a good barrier against outside air and liquids, preventing contents from spilling. Suitable for use in classrooms, medical fields, laboratories, and chemical industries. DIY Filling: These test tube jars are ideal for DIY decoration 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 suitable for party decorations and gifting on occasions such as baptisms, birthdays, weddings, Halloween, and Christmas. Fill with favorite candies or small items for table and room decor, or give as thoughtful gifts to family, friends, or guests. Funnel style and color are randomly delivered; specific color requests cannot be accommodated. 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 package content is included; other items are not part of this package. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement allowance is +/- 1–3 cm.