● Made of durable cardboard with a waterproof coating and polypropylene dividers
● Hinged lid design ensures that lids are never misplaced or mixed up
● Alphanumeric labeling featured on the lid, bottom, and four sides enables quick and easy identification of samples
● Suitable for liquid nitrogen freezing (after adding vent holes, and using cardboard dividers)
● 5 /Bag, 4 Bags/Case