Sturdy cardboard box has a coating on both the inside and outside for increased moisture resistance and durability. Standard size fits most freezer racks. 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).

Vented boxes have four 9 mm holes in the base, one at each corner. Holds 1.5 ml and 2.0 ml tubes, most cryogenic vials, and 1/2 dram glass vials.

• Shallow, low profile lids (15/16" overlap) accommodate short tubes (48 mm).
• Deep, high profile lids (1 3/8" overlap) accommodate tubes up to 70 mm tall.