In biological experiments, cells and bacteria will enter a cold shock state in an ultra-low temperature environment, leading to a decrease in their biological activity and a slowdown in metabolism. However, after rewarming, their biological performance will be restored. Therefore, cryogenics is a commonly used method for preserving cell and bacterial species in cell bacterial experiments. Frozen products are excellent containers for cell bacterial .Cryo box is a storage device for cryo tubes and thread tubes, large capacity design (81 wells, 100 wells) for easy classification and storage. It can withstand ultra-low temperature refrigerators and liquid nitrogen environments. Advantage: • Prefabricated positioning labels on the box for easy classification, identification, and retrieval. • Unique gap and line design for fast cooling. • Corner cutting design easy to quick and accurate placement . • PC Cryo boxes and paperboard Cryo boxes are suitable for storage in ultra-low temperature refrigerators and liquid nitrogen environments, while PP Cryo boxes is suitable for ultra-low temperature refrigerators.