Storage Box, Standard, 81 Cell, Complete with Dividers, White - 5-1/4" x 5-1/4" x 2". Durable storage boxes made of cardboard treated with a moisture-repellent to protect from the effects of liquid nitrogen and condensation from freezer equipment. Boxes can withstand temperatures as low as -196¿C. Small drain holes in the bottom corners allow drainage of excess moisture. Designed to be compatible with most standard upright rack systems. Available white or yellow and in a variety of sizes / configurations to best match your needs.