cryoking 2 inch 81 well cryo-color? cardboard freezer boxes. boxes come in assorted colors (red, blue, green, yellow and white). 5 boxes/pack, 20 packs/case

Feature：

• 【Durable Cardboard】These microtube storage box with lids are made of durable cardboard with matte coating for long-lasting use; Chemically resistant to alcohols and mild organic solvents, ensuring safe storage.
• 【Efficient for Organizing】Our cryo tube storage boxes come with convenient cardboard dividers, allowing you to organize and separate your samples efficiently. The included lid securely seals the box.
• 【Low-temperature Resistant】With a working temperature range from -196°C to 121°C, the vial storage boxes ensure stable and reliable performance, making it suitable for liquid nitrogen freezing in the vapor phase.
• 【Size Specification】With 81 places and a size of 2 inches in height, our cardboard freezer boxes provide ample space for your samples. The pore size of 0.59 inches ensures secure storage and easy retrieval of your vials, microtubes, and cryotubes.
• 【Widely Applicated in Biobanking Solutions】Designed for convenience, our cryogenic storage box is compatible with various freezer models, making it versatile for most lab environment. Its compact size allows for easy placement in your freezer, maximizing storage capacity.