Features:
● Cardboard Plastic-coat freezer box is Made of durable cardboard with the superior white outer coating
● Chemically resistant to alcohols and mild organic solvents
● White Premium Cardboard Freezer Boxes have a glossy coating, other colors have a matte coating
● Water-resistant coating for improved durability
● Holds 0.5ml, 1.5ml, 2.0ml, and microtubes
● Working temperature: stable from -196°C to 121°C
● Suitable for liquid nitrogen freezing