Instantly create prints with BKIFI Film patterns. How do you use one? Carefully insert one patterned layer at the top of a new film cartridge, following the instructions on the adapter package and/or reviewing our installation demo video. Insert the cartridge into your camera and shoot like normal. When your print develops, the pattern you selected will appear. Each set contains 3 unique layers with a pattern from the theme’s style. Each layer is reusable.   The Hearts set includes: (1) Red Heart adapter, (1) Pride Heart adapter and (1) 3-D Heart adapter. The Flowers set includes: (1) Yellow Flowers adapter, (1) Pink Flowers adapter and (1) Au Printemps adapter.