General description Test tubes are made of non-toxic, high-quality plastic with good airtight natural cork stoppers. They are transparent, well-sealed, lighter, and stronger than glass test tubes, making them reusable after cleaning. The additional kraft paper tags, funnel, and string cater to various needs, ensuring a good dry storage environment that effectively blocks air and liquid to prevent leakage and spoilage of stored items. Technical specifications Quantity: 60 pieces Size: 16 x 150 mm Volume: 20 ml Material: Plastic (PS) Color: Transparent Included accessories: 60 natural corks, 30 kraft paper tags, 30 white paper labels, 2 ropes (10 meters each), 2 funnels Measurement allowed error: +/- 1-3 cm Usage These test tubes with corks are ideal for various applications, including: Flower gifts for weddings, birthdays, and Christmas Craft projects Storing candies and bath salts Plant growing Christmas party decorations Home decoration Other information Light reflection and