A container made of stainless metal is built from a container inside which a roll for loading the film intended for developing the film is connected to the central axis so that it enters the width of the metal wires and leaves a space between the rolled layers. Suitable for 36 photos. This operation is done in a dark room. The lid has a covered opening through this opening the developer materials are inserted and taken out. The container can hold 225-250 mm of liquid.