Variety and Convenience: each package of our products contains 10 lucent polypropylene 100 place microcentrifuge tube cryogenic storage boxes The aperture size of our products is uniform, and the freezing tube is easy to reach Ample Space and Precise Dimensions: each microcentrifuge tube cryogenic storage box measures about 5.51 x 5.51 x 2.05 inches/ 14 x 14 x 5.2 cm, and has 100 positions, the inner diameter of each lattice of our product is about 0.51 inch/ 13 mm, allowing storage of 0.5, 1.5, and 2 ml tubes; This design ensures ample space and capable of securely storing and easily accessing your small vials, microtubes, and frozen tubes Quality Material and Construction: the microcentrifuge tube cryogenic storage boxes are made of stable polypropylene material with a smooth and burr free edge, to withstand both high and low temperatures, from -80 Degree Celsius to +121 Degree Celsius; The hinged latch makes the lid easy to open, ensuring sample safety when is closed; The parent lid allows for a clear view of the contents inside the tube Efficiency and Versatility: each microcentrifuge tube cryogenic storage box has 100 grids, letting you organize and segregate samples efficiently, keeping your samples systematically arranged; The provided cap securely seals ; Its compact size can fit comfortably in your refrigerator, maximizing storage capacity Wide Applicability: our microcentrifuge tube cryogenic storage box is versatile and suitable for vertical freezers, as well as in most laboratory environments Material: plastic colour: Mixed Color Package Contents: 10 x Freezer Box 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.