Product name: Film cartridge cartridge film 35MM Product size: 4.7*2.8CM/1.85*1.1in Product color: Black Product weight: single piece gross weight about 10g Description: 1. Size: Usually designed according to the standard 135/35mm camera film size, ensuring that the film can fit perfectly without bending or damaging it. 2. Material: It is generally made of plastic to ensure that the film is not affected by light and moisture during storage. 3. Light proof design: cartridges are usually designed to be light proof to prevent light from shining directly onto the film and avoid film exposure. 4. Portability: Generally speaking, this kind of cassette is designed to be light and easy to carry, which is convenient for photographers to carry film outdoors or during travel. 5. Protection: The cassette can effectively the film from dust, scratches and other pollution, to ensure that the quality of the film stored in it is intact. Attention: 1. Due to different display and effects, the actual color of the item may be slightly different from the color shown on the picture. Thank you very much! 2. Please allow measurement deviation due to manual measurement.