DescriptionAre you still worried that there is no container for your to do chemistry experiments? Do you want to have a tube for storing samples? If so, our plastic test tube set is carefully prepared for you.Features- Color: Assorted Color. - Material: PS. - Size: 10.00X1.60X1.60 cm/ 3.93X0.63X0.63 inch. - Set contents 50 test tubes (0.6 x 3.9 inches (16 x 100 mm), 1 test tube rack (for 0.6 inch (16 mm) diameter). - Made of PS material with excellent transparency and heat resistance, which is higher quality, thicker and more durable. - High transparency, allowing you to observe the inside status. Comes with a so the seal is not a problem.- Detachable test tube stand Portable and space saving. 50 plastic test tubes for a variety of uses. - Great for laboratories, craft projects, schools, and more. It can be used as accompaniment for children to research freedom, or for storing samples.