BKMAMLAB 30pcs 20ml Glass Test Tubes 15 x 150mm with Cork Stoppers and Brush for Scientific Experiments and Plant Propagation Test Tubes

Additional Details from the Manufacturer

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More features

• Widely uses: Test tubes can meet the needs of daily scientific testing, also good as a perfect storage container for storing beads, spices, liquids and bath salt. They can also be used to grow plants, decorate Halloween or various theme parties, etc.
• Material: Glass test tubes are made of borosilicate glass, heat resistant, and test tube is reusable after cleaning
• Features: The cork stopper has a good seal to isolate air and liquid, prevent the content inside leaking out.
• Size: 15×150mm/0.6" × 5.9", capacity: 20ml (Outside Diameter: 0.59in / 15mm; Inner Diameter: 0.5in / 12.7mm; Wall Thickness：0.04in / 1.1mm)
• Package: Package included 30 pack 20ml glass test tubes with cork stoppers and 1 brush