Usage Tips:Enjoy with Multi Color Tube Racks: designed with aesthetics in mind, these tube racks come in 5 vibrant colors, such as orange, blue, green and more, 2 in each color, ideal for 0.5 ml, 1.5 ml and 2 ml tubes; Not only do they add of brightness to scientific laboratories, , or classrooms, they also a practical function, the different colors can help users separate and identify various samples quickly and effectively, according to their distinct colors Experience Uncompromised Quality and Quantity: the package includes 10 test tube holders, providing an ample supply to meet versatile needs; Furthermore, with the racks being resistant to both high and low temperatures (about -68 Fahrenheit degree to 249.8 Fahrenheit degree), this feature ensures , making these tube racks reliable and long lasting options Sturdy and Sturdy Construction: our capsule filler trays are made from plastic material, known for its strength and rigidity, hard to deform of break; This sturdy design ensures a secure hold of the test tubes and ensures a reliable performance, the racks are ideal for demanding surroundings such as laboratories or workshops Safety and Reliability Ensured: these centrifugal pipe racks are known for their safe, reusable, no burr or corner, smooth and strong features, they are meticulously designed and tested to a secure hold of your test tubes, without damaging or breaking them, this makes them safe choices, easy to clean, poisonless and tasteless, making these racks very useful in an educational setting Organizational Utility for Laboratories and Homes: these test tube holder racks are handy for a of applications, both in laboratories and households, they your test tubes are neatly arranged and organized where they are applied, this gives you an orderly workspace, helping maintain efficiency, and saving you ample time These microcentrifuge tube racks feature a carefully designed double aperture layout that effectively saves precious space in or home. The efficient use of space lets you store the enough number of test tubes in a compact area, contributing to a more decluttered and neatly arranged workspace. Despite being constructed from material, each test tube carrier has enough capacity to test tubes. This high capacity is a testament to the efficient design of the racks. Now, with fewer racks, you can store more test tubes. Size: about 8.11 x 2.83 x 0.91 inches/ 206 x 72 x 23 mm Package includes: 10 x Tube racks Colour:As Shown Material:plastic Package Contents: 1 set x Tube racks Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.