The gray color of these CryoBoxes by Nalgene® provides easy-to-identify inventory management and safe and economical storage of up to 81 cryogenic samples. Identical in construction to Nalgene® brand white CryoBox (Cat. No. C6516C-2), these colored boxes hold 1.0 to 2.0mL cryogenic storage vials in a 9 x 9 array. Dimensions: 5.25"L x 5.25"W x 2"H. Usable temperature range is -196° C to +121° C. Gray color matches popular Nalgene brand cryogenic vial color coders. Transparent lid allows easy viewing of contents. Lids have numbered grid for quick sample identification. 24/Case. Nalgene #: 867013-0244. Capitol #: C6516E-GY.