Check the listing for details. ISO DX Film Code Label Sticker + 5x 135 35mm Film Empty Canisters Cassettes Case. Condition: New. Listed at 13.99 USD. 5x 135 35mm Film Empty Canisters Cassettes Case + ISO DX Film Code Label Sticker (Empty Film Cassettes, Do Not Come with Film! This case cannot be opened forcely) For Film Format:35 mm/135. Package: 5x empty 35mm film cassettes in black, and 1 page selective ISO sticker. Canister Instructions: 1. Sticking the head of film to the casstte tail with adhesive tape or other supplements. Then rotate the central axis for rolloing films. After you taking pictures, if you want to develop photos, you can pull the film out. Then you can develop photos and reload films. OR opening the casstte to put the film into directly, but it may hard to install the canister again. 2. The tail of the film leader is protruding on all cassettes for easy access. It is good for reloading with bulk film, arts and crafts projects. ISO Code Sticker Instructions: 1. Equipped with a DX-coded recognition system, filmssensitivity and exposure latitude can be distinguished by cameraautomatically,and provide those data to the cameras automatic exposure system. 2. Hand roll pan film and bulk film. Some reloadable filmcassette/canister isneutral OR hand roll films data is different from the canister. 3. All135 35mm film canister that without DX-coded. 4. ISO/ASA/DIN 50, 100, 250, 400, 500 contains 10pcs per page.