Wheaton freezer boxes designed for 1mL Cryule® cryogenic glass vials are made from chipboard with polyethylene coating for use with liquid nitrogen. These convenient freezer boxes can also be used in a freezer or at room temperature. Accommodates 81 externally threaded Cryule® round bottom or freestanding cryogenic vials with screw caps. Disposable. 133 L x 133 W x 32mm H. Polyethylene Coated Chipboard. Square Shape. Holds 81 Vials. 1mL Vial Volume. Wheaton #: 651490.