The test tube rack is great for laboratory storing your test tube. The necessary equipment for the laboratory, and your labs won't look so messy with it. Perfect for school, provide a clear view of the tube contents and convenient holder for tubes. With the transparent design, you can see through the tube and make precise quotations in the tube. Features -Color:Transparent -Material:Acrylic -Size:26.30X9.00X4.30cm/10.34X3.54X1.69in -Note: suitable for 10ml test tube, hole diameter: 16mm - The test tube rack is practical and sturdy, stable and useful, versatile tube rack for tube holding and organizing. - Transparent and nice polished, neat and clean, so don't need to concern about harming your hand. - Portable and lightweight, easy to utilize and simple to store, won't occupy too much space. - Great for use in scientific test, industrial and scientific enterprises and colleges and other laboratories. - Adopted by selected acrylic material, test tube rack is reliable and useful for long time use. Package list: 1 x acrylic test tube rack