 Product Description: Kalt 35mm Reloadable Reusable Film Cassettes with screw top For Bulk Film 6 pack Bulk Film Cassette Canisters For Darkroom Developing This is a 35mm Reusable plastic cassette For Bulk Film which is fully light tight, light trapped, scratch proof & reusable. It is designed for use with bulk film loaders and is comprised of three pieces: casing, spool & cap. The Screw top assures solid seal and prevents light leakage.  Fast Shipping and Delivery |