Key features

• •STURDY & DURABLE - The detachable tube rack made of thickening plastic material, it is very lightweight and sturdy, not easily bend and easy to carry. The perfect size and sturdy construction for your needs so you don't worry about the test tubes breaking and rolling away.
• •DETACHABLE & SAVE YOUR SPACE - These plastic test tube racks can organize and hold many seed bead tubes in a way that allows you to find what you need quickly, and store them in a relatively small space. It is detachable that doesn't take up much space.
• •EASY TO ASSEMBLE - The test tube rack has three layers and two slots. Each layer has a direction. It slides the shelf from one side and has a lip to stop it on the other side fits very snug. The bottom is designed with grooves, which can stabilize insert the test tubes or pens.
• •PACKAGE INCLUDE & WIDELY USAGE - You will receive 15 pack 10 x 4 x 2.4 inch (L x W x assembled height) lab test tube rack holder with 50 holes, the hole diameter is 16 mm which suitable for 13 to 16 mm test tubes. Not only perfect for storing test vials of ink but also to hold lip balm tubes to be filled and to cool so they don't tip over and spill.
• •ABOUT AFTER SALES - Please check the package after you receive the product. If you are not satisfied or have any problems with our plastic test tube rack, please contact us in feel free. You can get a 30-day worry-free refund and 7-day 24-hour service.