Stainless steel cryovial boxes come with or without cardboard dividers and fit into standard freezer racks. These boxes conform to international standard dimensions and hold 2 to 5 milliliter cryo vials or centrifuge tubes. They can be used as cryo boxes as well as regular storage boxes. 3" Stainless steel freezer storage boxes with multiple options for cell divider included. Fits into standard freezer racks. Can be used as cryo boxes as well as regular storage boxes. Has drain holes. With cell dividers Fits into standard freezer boxes Drain holes