Description Made of durable plastic material, well designed and functional. It saves space and gives you an easier way to store centrifugetubes . Reasonable in structure, convenient and practical, which can help you store 50ml centrifugetubes and bring you a better experience. Features -Color:As Shown-Material:Plastic-Size:14.50X14.50X12.60cm/5.70X5.70X4.95in-Note: each case fits for placing16 x 50mlcentrifuge tubes.- Crafted from plastic material, this test tube stand is sturdy and durable, support long time use.- This test tube rack is great for laboratory to freeze test tube, a necessary equipment for the laboratory.- The lid allows for easily visual inspection, nice for tube reference and identification- Perfect for freezing 50ml centrifuge tube. Space-saving, and convenient to use.- Wide applications. Suitable for scientific research, laboratories, school, personal use, etc. Packing list: 1 x centrifuge tube box