Versatile Design: This science test tube stand serves as a test tube holder, a drying rack for draining water from tubes, and can also hold centrifuge tubes and pipettes, making for your lab needs Material: This 19 holes dropper rack is made of pp, ensuring its sturdiness and durability. Its lightweight design makes it easy to store and handleStable Construction: Designed with a sturdy structure that resists deformation, this lab dropper rack securely holds test tubes, centrifuge tubes, and pipettes in place during experiments or storageEasy to Clean:The dropper stand featuring a smooth surface that is easy to clean with water or detergent, maintaining hygiene in your labPackage Included: Each package comes with a 19 holes pipette holder, which is great for use in lab or for chemical experiments at home or school Size Chart: 22.5x11x10cm/8.86inchx4.33inchx3.94inch Package Includes: 1 Tubes Rack Note: Please allow slightly errors 1-2cm differences due to manual measurement.