6 Pack 4-Way Test Tube Rack Holder, Colorful Polypropylene Multi-Size Tube Organizer, Durable 4-Sided Lab Tube Storage Stand for Classroom, School Laboratory & Science Experiments

The 4-Way Test Tube Rack is a multifunctional and space-saving organizer designed to meet the needs of laboratories, classrooms, and research environments. With its four-sided design, each rack can accommodate multiple tube sizes—50ml, 15ml, 2ml, 1.5ml, and 0.5ml—helping you eliminate clutter and keep experiments organized. Crafted from durable polypropylene, these racks are heat-resistant, chemically stable, and built for long-term use. Their special interlocking slot design allows you to connect racks together, creating larger storage systems and maximizing laboratory workspace efficiency. Each set includes 6 colorful racks (random assortment of 5 colors), which not only provide ample storage capacity but also enable color-coded experiment management—making it easier to classify and identify different projects. Whether used by students, teachers, or professional researchers, this test tube rack set offers an excellent balance of practicality, durability, and value. Perfect for school labs, science classes, teaching demonstrations, and research facilities, these racks ensure test tubes are always well-organized and within reach.

• 【Practica Quantity】 you will receive 6 pieces 4 way test tube holders in 5 different colors,They are enough for you to store multiple test tubes at the same time without working about lack of space.
• 【Multi-Size Compatibility】Each side is designed for different tube sizes: Side 1 (4 holes Ø3cm for 50ml), Side 2 (12 holes Ø1.8cm for 15ml), Side 3 (32 holes Ø1.2cm for 2ml), Side 4 (32 holes Ø0.85cm for 0.5–1.5ml), holding 80+ tubes in total.
• 【Durable & Reusable Material】Made of premium polypropylene, the racks are resistant to heat, weak acids, and alkalis. Strong, stable, and reusable for long-term daily use in lab environments.
• 【Flexible Combination Design】Special interlocking slots allow racks to be connected together, creating larger storage units for better space utilization and efficient test tube organization.
• 【Wide Application】Ideal for school laboratories, science classrooms, teaching experiments, research facilities, and professional labs. Keeps test tubes neat, organized, and easy to access during experiments.