Sturdy cardboard box has a coating on both the inside and outside for increased moisture resistance and durability. Standard size fits most freezer racks. Shallow, low profile lids (15/16" overlap) accommodate short tubes (48 mm). Each cell is 12.7 x 12.7 x 33.3 mm. Box with lid measures 5 1/4" L x 5 1/4" W x 2" H (OD).

Holds 1.5 ml and 2.0 ml tubes, most cryogenic vials, and 1/2 dram glass vials.