The product is a set of 8-inch borosilicate tubing with a 12mm outer diameter and 8mm inner diameter, consisting of 25 tubes that are 2mm thick. Manufactured in the United States, this high-quality glass blowing tubing is designed for use in medical, lab, and dental applications. With a smooth and consistent design, this tubing is perfect for creating precision medical devices and equipment. The brand is known for producing reliable and durable glassware, making this product a valuable addition to any laboratory or healthcare setting.