PP freezer box vial boxes can be Freezing and thawed repeatedly. Widely used to fix laboratory cryovials or centrifuge tubes. Suitable for storage in mechanical refrigerators or liquid nitrogen. Very strong and wear-resistant PP material, strong and durable, not easy to deform and break. Features - Color: Transparent. - Material: PP. - Size: 14.00X14.00X5.30cm/5.50X5.50X2.08in. - Notes: suitable for 1.5ml,1.8ml,2ml tubes. -Suitable for scientific research units, colleges and universities, and laboratory cryotube tubes - Made of high-grade plastic materials, to ensure safety and use with confidence. Improve stable performance and high reliability - Cryogenic storage boxes are widely used to hold laboratory cryovials or centrifuge tubes - With a cover to prevent , the liquid in the cryotube can be kept clean and free from even after long-term storage - Translucent design, you can easily see the condition of the inner cryogenic storage tube Package list: 1 x freezing tube box