Test Tube Racks: You will receive 2 pcs test tube racks, measuring about 2.9x8.7x2.56 inches (74x221x65mm). The test tube racks are designed with grooves on the bottom to stabilise the test tubes. And the large holes allow the test tubes to be placed on the racks at an angle, allowing water to separate from the test tubes for drying results Reliable Material: The test tube rack is made of quality acrylic material, which is transparent, light in weight, not only beautiful and generous, but also sturdy and durable. Even if used for a long time, it is not easy to be deformed or broken Enhance Efficiency: The neatly arranged tubes help you find the tubes you need quickly, reducing search time and improving the efficiency of your experiments. Let you focus more on the experiment itself and get better research results Enhanced Efficiency: The neatly arranged test tubes can help you quickly find the tubes you need, reducing search time and improving the efficiency of your experiments. Let you pay more attention to the experiment itself and get better research results Applicable Scenario: Whether it is a teaching laboratory in a school, a research laboratory in a scientific research institution, or a medical laboratory in a hospital, it can easily meet your needs and provide convenience for your experiments