This cryo/freezer box is made of sturdy white cardboard, with a special moisture repellent coating to protect it from the effects of liquid nitrogen or condensation from refrigerated equipment. Small holes on the bottom allow for safe drainage of liquid nitrogen or water. It comes with an 81 place insert. Color: White. Dimensions (L x W x H): 5-1/4 x 5-1/4 x 2in. Number of Cells: 81. Argos #:R3026A.