81-well, , 3.75-in ID-Color™ Cardboard Freezer Boxes, for 5 ml tubes, 5 pcs.

*The lid, bottom, and four sides feature alphanumeric identifications for fast, easy, and error-free identification of individual samples. Without hinged lid.
*5 pcs, colors blue
*Water resistant ID-Color™ coating allows for improved durability
*Sturdy and straight plastic dividers withstand ultra low temperatures
*Holds 5 ml microtubes 
*With 9 x 9 PP dividers
*Package: 5 Piece
*Dimension: 133x133x95 mm

 -86°C až +120°C. 

More on Biologix.