Convenient for Cleaning: These glass tubes for glass blowing come with 4 cleaning brushes, making it easy to clean the glass tubes. The brushes are designed long enough to effectively remove the mess and ensure the longevity of the glass tubes.

Premium Material: Our high quality glass pipes are made of borosilicate glass material with excellent heat resistance. They are safe and durable enough for different usage scenarios.

What You Get: Includes 20 pieces 12 inch borosilicate glass tubes and 4 pieces cleaning brush, sufficient quantity to meet the frequency of use and demand for various different users. Each tube measures about 12 mm outer diameter, 8 mm inner diameter, and 2 mm thickness.

Wide Applications: borosilicate glass tubes are versatile for many usages like creating delicate glass art pieces, conducting experiments in a laboratory, or working on industrial projects. Also, suitable for solution mixing, stirring and observation. They are designed to meet the needs of newcomers and experienced glassblowers.

Excellent Performance: The glass blowing tubes are constructed with even and smooth surface and precise dimensions, making them a reliable choice for any glass-related projects. The clear design ensures excellent visibility, which is perfect for observation and without off color after burning.