Test Tube Set: 30 pcs 2 x 15 cm glass test tubes with corks, 40 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 is smooth, the wall thickness is uniform, and the transparency is high, making them resistant to breakage. They can be reused after cleaning. Secure Closure: Natural corks provide excellent sealing, offering good protection 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 them to store liquids, powders, candy, grains, beads, dried flowers, seeds, coffee beans, and more. Decorations and Gifts: Ideal for party decorations and gift giving for events such as baptisms, birthdays, weddings, Halloween, Christmas, and other celebrations. Fill with candies or other items for table and room decor, or present as thoughtful gifts for family, friends, or guests. Funnel style and color are randomly delivered; specific colors cannot be requested. 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 products are not part of this package. Note: Lighting effects and monitor settings may cause slight variations in color between the image and the actual item. Measurement error is allowed within +/- 1-3 cm.