This is a 36 exposure roll of T-Max P3200 Professional Film from Kodak. It is an ISO 3200, continuous-tone panchromatic black-and-white negative film that combines high speed with finer grain than that of other fast black-and-white films.

Film Basics
Excellent sharpness and shadow detail, fine grain
Quality prints from moderately under- or overexposed negatives
Better highlight separation