This green-colored Argos 81 place polypropylene storage box has a tight fitting lid that ensures samples will not fall out, even when held upside down. It fits in standard 5-1/4 inch square stainless steel freezer racks. Each box holds 0.5, 1.5, and 2.0mL Microtube as well as most brands of cryovials (internal and external threading). It features an alphanumeric grid for sample identification, and the matte surfaces on the box sides are suitable for printing or labelling. It is able to withstand conditions from -112°F to +249.8°F (-80°C to +121°C), and will not degrade like cardboard storage boxes. The top of the box is clear for visual inspection, and the bottom is green-colored. It fits most standard 2 inch stainless steel freezer racks. Material: polypropylene. Color: green with clear lid. Temperature range: -112°F to +249.8°F (-80°C to +121°C). Capacity: 81 places. Tube size: 0.5, 1.5, and 2.0mL Microtube. Argos #:R3115.