This 2-inch cardboard freezer box comes with an 81-well divider and may be used for upright freezer or chest freezer racks. Box is protected by a superior white coating and has a writing area on the lid. Temperature range: -196 degree C to +121 degree C. Capacity: 81 wells. Dimensions 196 degree C to +121 degree C. Material: cardboard with superior white coating. Biologix Research Company #: 90-1281.