Polaroid GridFilm has a pre-exposed grid (letters across the top, numbers down the side) on each picture. The grid acts as a scale, allowing you to take accurate measurements and compare photographs over time.
Designed with an imposed grid on the image area, specifically designed to help locate objects or conditions shown in the image
High-speed, medium-contrast film for high-definition instant color prints with grid lines
Balanced for daylight and electronic flash exposure