Suitable for refrigerator and freezer storage as low as -80˚C, these boxes have translucent lids and numbered cavities. No. R1010 is a PCR workstation rack/box for 96x 0.2ml (plates, strips or individual tubes). No. R1020 is a 10×10 format with an attached hinged lid. No. R1060 is the standard 9×9 format with a friction fit lid.