Cryo Box can be used to store cryotubes with volumes up to 2ml. It is made from polypropylene, is autoclavable, freezable, and resistant to most of the common laboratory acids and chemicals. There is an alphanumeric grid on the base for an easy retrieval of tubes. These boxes have transparent hinged lids with latch, and their square cross section makes them safely stackable. They are available in various colors. The variety of colors facilitates classification.