The CoolCube provides convenient storage of heat sensitive samples on a lab bench and maintains temperature at 0°C for up to four hours. Constructed of a high strength polymer that has excellent chemical resistance and filled with a gel refrigerant. Simply place the rack in a -20°C freezer overnight and it is ready to use. Samples remain cool without the use of messy wet ice. One side holds 36 x 1.5-2.0 ml micro-tubes. Opposite side accommodates 12 x 1.5-2.0 ml micro-tubes and one PCR plate. Ideal for PCR Temperature: 0°C for up to 4 hours Capacity (side 1): 36 x 1.5/2.0 ml tubes Capacity (side 2): 96 x 0.2 ml tubes, 12 x 0.2 ml strips, 1 x 96 well PCR plate, 10 x 1.5/2.0 ml Dimensions: 5.6 x 5.6 x 2.5 Inches ( 14.3 x 14.3 x 6.4 cm) Holds 0°C up to 4 hours Ideal for PCR