Check the listing for details. Big Negative Roll Film Changing Bag Processing Darkroom Tent Double Layer Load. Color: Black, Condition: New. Listed at 17.99 USD. Film Changing Photography Darkroom Zipper Bag Double Layer Size:22X22.8 (56x58cm), the weight is 0.145kg/5.1oz. Feature: 1. This dedicated camera darkroom bag for lengthened camera, making the operation more relaxed. 2. Safely load film and transfer it from the canister to the developing tank without exposing it to light, and ruining your photographs. 3. The inner layer is silver-plated sunshade fabric and the outer layer is high-density polyester taffeta material, with inside and outside the two elastic cuffs ports, high-quality zipper bag end and nylon gluing. 4.This darkroom bag is very light, only 145g, easy to carry and high quality. If you shoot out in the field and dont always have immediate access to a darkroom, then you need a changing bag – the mobiledarkroom substitute. Package:1xDarkroom bag (Developing tank not included) Anti-static! 100% Light-proof!