Enhance your scientific experiments with these durable test tube and rack, crafted from transparent plastic. Its sleek design not only adds a modern touch to your lab but also provides practical functionality. The rack's multiple compartments keep test tubes organized and accessible, making it an indispensable tool for chemistry classes and research projects. Features -Color: Transparent+ Random Color Lid -Material:Plastic -Size:17.00X13.00X5.00cm/6.68X5.11X1.97in -Clear design for efficiency: the high transparency of the racks allows users to quickly locate and assess test tube contents, improving workflow -Material: crafted from durable materials that endure chemical reactions, ensuring longterm usability in diverse lab conditions -Secure tube placement: prevents accidental tipping or spilling, providing a safer and more organized workspace for experiments -Educational and researchfriendly: designed to meet the needs of students and professionals, fostering scientific discovery and learning -Multipack: offers flexibility for various experimental setups, accommodating multiple test tubes with ease Package list: 6 Sets Tube and Rack