3 boxes ( 300 sheets ) of 3M Transparency Film PP2200 measuring 8.5 x 11 inches. TWO SEALED BOXES + ONE THATS UNWRAPPED . I COUNTED ( not easy to do ) THE UNWRAPPED ONE AND IT MAY BE A COUPLE SHEETS SHORT OF 100 BUT YOU CAN SEE BY THE PICTURE THAT THE BOX IS FULL . The film is designed for use with overhead projectors and is ideal for business and educational presentations. The brand 3M is synonymous with quality and reliability, so you can trust that this transparency film will provide clear and crisp images for your audience