Test Tube Set: 30 pcs 2 x 15 cm glass test tubes with cork, 40 pcs heart-shaped kraft paper tags, 10 m rope, 2 funnels. Sufficient to meet your various needs. High Quality Material: The transparent test tube is made of high-quality glass, strong and durable. The bottom of the test tube is rounded, the wall thickness is uniform, transparency is high, and it is not easily broken. 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 gift packaging for events such as baptisms, birthdays, weddings, Halloween, Christmas, and other celebrations. Fill with candies or other items and use as table decor or thoughtful gifts for 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 package content is included; other items are not part of the set. Note: Due to lighting effects and monitor settings, the color in the image may slightly differ from the actual product. Measurement error allowance is +/- 1–3 cm.