The product is a set of 500 used glass test tubes, intended for use in a biological laboratory. These test tubes are a common and essential item in many laboratory settings, providing a clear and transparent container for conducting various experiments and tests. They are durable and designed for repeated use, making them a valuable addition to any laboratory equipment. This quantity of test tubes ensures that researchers have plenty on hand for their experiments and tests.

Some test tubes have writing on them. All are 5” long.