If you are looking for a professional and affordable cryobox vial rack, then your research is over here. That's because our product can meet your need. Adopted of premium material, it is practical and durable for long time use. It is easy to use and bring you much convenience. Suitable for storage in mechanical freezers or liquid nitrogen. Features - Color: Random color. - Material: Plastic. - Size: 8.00X6.50X5.50cm/3.14X2.55X2.16inch. - Its material is high-quality and durable, not easy to damage, strong and durable, strong toughness. - Smooth edges and surface without burrs, safe and secure, it will not hurt your hands. - For ultra-low temperature storage of cells and proteins in scientific laboratories. - Cost-effective, you can buy this practical product at an affordable price. - Suitable for scientific research units, laboratories, colleges and universities, and is used for ultra-low temperature refrigerator storage of laboratory cryotube centrifuge tubes.