● Made of durable cardboard with superior white outer coating
● Chemically resistant to alcohols and mild organic solvents
● Five assorted colors available: white, yellow, pink, blue, and green
● White Premium Cardboard Freezer Boxes have a glossy coating, other colors have a matte coating
● Water-resistant coating for improved durability
● Superior white 90-1281 & 90-1200 cardboard cryogenic boxes without outer coating are also available
● Holds 0.5ml, 1.5ml, 2.0ml, 5ml and 10ml microtubes and 15ml or 50ml Centrifuge Tubes
● Working temperature: stable from -196°C to 121°C
● Suitable for liquid nitrogen freezing