For storage from -196°C to +121°C. Ideal for use in mechanical and liquid nitrogen freezers. Three sizes accommodate 1.2, 2.0 and 5.0 ml cryovials. Durable and economical polycarbonate molded-in numerical grid system on box and lid. Dimensions (cm): 5 x 5 box - 7.6L x 7.6D x 5.1H 9 x 9 box - 13.3L x 13.3D x 5.1H 9 x 9 for 5 ml tubes - 13.3L x 13.3D x 9.5H.