For ultra-low temperature storage of 1.2 and 2.0 mL cryogenic vials Usable in a wide range of environments and temperatures (-196 to +121°C) Numerical grid system, which is molded into box with corresponding numbers printed on lid 25-place boxes are arranged in a 5 x 5 array and measure 3” x 3” x 2”. 81-place boxes are arranged in a 9 x 9 array and measure 5 1/4” x 5 1/4” x 2”.