Polaroid Polapan Pro 100 31/4x41/4 Twin Pack £18.94
Medium speed, medium contrast, fine grain, coaterless, black and white print film. Film Speed - 100 ISO/ 21 DINFormat - 3 1/4 x 4 1/4 in. (8.5 x 10.8 cm) Pack FilmImage Area - 2 7/8 x 3 3/4 in. (7.3 x 9.5 cm)Finish - GlossyExposures per Unit - 10 frames per pack/2 packs per boxDevelopment Time - 30 seconds at 75 F