Designed for use with Instax Mini line of cameras this film can be developed Instantly. Simply press the shutter, capture the moment, and watch the photo slide out and the image develops in front of your eyes! Comes in the size of a credit card it is easy to carry in your purse or wallet. It features a classic white frame which you can personalize with fun messages. The Cartridge is easy to load. Rated 4+ out of a possible 5, it seems to be a great deal to grab at this price point.