Made with This test tube stand is crafted with Polypropylene plastic which is thick in texture and long-lasting. These stands are fully autoclavable. Modish design The product is a conventional 3-tier design with convenient spaces as per your need with a balance at the bottom to avoid the risk of falling test tubes. Package content This multicolor Pack of test tube stands contains 1 set with 20mm × 20 Holes weighing 100 grams generally. Sturdy construct Versatile usage Easy to maintain