It is designed for the secure storage of 1.5 mL centrifuge tubes in ultra-low temperature environments. Constructed from durable polycarbonate (PC), this box withstands temperatures ranging from -196°C to +121°C, making it suitable for storage in mechanical freezers or liquid nitrogen. The box features a foam material insert that holds the tubes securely, preventing movement and potential damage. Its vented design allows for rapid cooling and thawing of contents, and the box is autoclavable for decontamination purposes. The lid is equipped with a printed grid for easy inventory management and sample identification.