Description:1. Fit for 1.8/2ml freezer tubes, 9x9 array, 81 Places.2. Constructed of waterproof cardboard with a coating.3. Inscribed with numbers for tracking tubes.4. Keeps your freezer tubes firmly inside while the box is closed.5. Widely used on holding laboratory freezer tubes or centrifuge tubes.Specification:Material: Waterproof CardboardOverall Size: 133x133x50mm / 5.24*5.24*1.97 Inch (L*W*H)Hole Size: 12x12mm / 0.47*0.47 InchHole Depth: 31mm / 1.22 InchFitting for: 1.8/2mL Micro Tube, 81 PlacesPackage Content: 6 x Freezer Tube Box
