Double-emulsion film specifically engineered for biotechnology applications. Provides maximum sensitivity for detection of 32P and 125I in Northern and Southern blots, reducing quantity of isotope needed.. Size: 8 in. (20 cm) × 10 in. (25 cm). Each sheet of film is sealed in a light-tight envelope. Sold in each. . . Sigma-Aldrich Z363073-50EA Carestream Kodak BioMax MS Film, 8" Width, 10" Length. Country of Origin : United States. Part Number : 1179V59EA. Pack of : 1.