Polypropylene 80-place tube rack holds 1.5 ml and 2.0 ml tubes, including screw cap tubes. Withstands freezing (-90°C) or autoclaving. Suitable for benchtop and freezer use. Mixed standard colors include blue, green, orange, red, yellow, violet, and natural. Measures 9" L x 2 5/8" W x 1 1/8" H.