These cryovials storage boxes are made of extra strong polycarbonate, designed to be used at temperatures between −190 and 121 °C. Transparent covers are printed with a series of squares and are numbered from 1 to 81 for better inventory control.

• Can be immersed in liquid nitrogen
• Stackable and have air vents
• Covers are keyed to the base to prevent misalignment

Boxes made to accept 81 tubes have a white base and a coloured grid (in which each well is numbered).