These polypropylene storage boxes provide compact storage and keep cryo vials organized on the bench, in the freezer, or during transport, and unlike cardboard models, are autoclavable and won't break down with moisture or heavy use.Useful at temperatures -80 °C to +121 °C81-place, 9 x 9 row boxes hold 0.5, 1.5 and 2.0 mL tubes and cryo vialsFive color choices for organization; secure fitting, lift-off, clear translucent lidsMatte panels on two sides for trouble-free labeling; alphanumeric grid for tracking"No slide" molded features provide secure stackingNote: These boxes do not fit in standard freezer racks.