✔ Detachable lab test tube racks, the smooth surface is devoid of any burrs or sharp corners, asserting safe usage,thickened material, durable, washable and reusable. 

✔ The plastic test tube rack comes 3 separated pieces, assemble required; can be stored put together or taken apart and laid flat, won't take up much more room. 

✔ They can be widely applied in chemistry laboratories, research classes, lab organizations, science classes, and many more; Arrange and keep your test tubes orderly and ensure ease of operation for the next use; A necessary tool that enables precise and streamlined execution of work.