Polypropylene 81-place box holds 1.5 ml tubes, 2.0 ml tubes, and most cryogenic storage vials. Colorful bases (blue, green, orange, pink, and yellow) help identify and color-code samples. Clear lid allows easy viewing of the contents and alphanumeric markings. Frosted writing panels aid labeling. Withstands freezing (-90°C) or autoclaving. Measures 5 1/8" L x 5 1/8" W x 1 7/8" H with lid.

• Fits most freezer racks
• Permanent dividers wont lift out and are low for easy tube removal
• Easy-to-read alpha-numeric markings
• Cells measure 13 x 13 x 26 mm