[Size] - 40mm hole diameter, 10 holes. It can be used to place the test tube in an orderly manner in the laboratory, so as to save a lot of space, and can be used as a carrier to better move the test tube.
[Material] - Made of acrylic, clear, glossy, no miscellaneous points, flexible and not easy to break.
[Features] -Durable construction, strong impact-resistance, smooth surface and no smell.
[Applications] - Used for hold tubes in the laboratory, also can be used in the home, classroom, and other places.