Cryogenic storage box Arctic Square®; PC; autoclavable. Safely store vials from -196 to +121°C for repeated use in mechanical freezers as well as liquid nitrogen. Boxes are designed with unique features to help the user orient; identify; and access vials with ease. The forward-sloped base and high-contrast; imprinted indexing on the transparent lid ensure quick visual orientation. Hinged lid allows easy one-handed access to samples. A built-in stop prevents the lid from swinging too far when the box is picked up by the lid; helping to prevent accidental spills. The 5 x 5 array box does not have hinged lid. All boxes include vent and drainage holes. Stackable. Autoclavable. Figure A.