Features: The 19 hole test tube organizers rack provides stablely support for different size and type of test tube, dropper, pipettes, making it essential tool in any laboratory setting. Crafted from pp, this test tube holder stand is easy to assemble, light in weight, and good durability, ensuring long time use. Very suitable for laboratory researcher, chemistry analysts, biologists, and educators who requires convenient storage holder for their experiment and teaching tool. Widely use for research laboratories, educational experiments, chemistry analysis, and biological testing environment. This multifunctional test tube storage holder testing tube drying rack enhances efficiency and organization in your work place, ensuring that your test tube and pipettes dropper securely held during critical experiment. Specifications: Color: White Component: PP Size: Approx. 22.5x10x9cm/8.85x3.94x3.54in Weight: Approx. 210g Package Includes: 1Piece Test Tube Organizers Rack note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color