of film transparencies 11 the holder 2 is fabricated of an opaque plastic material preferably dark in color it should be observed that the combined holder and viewer forms a unitary package that is utilized for both transit and storage purposes the viewer 1 is of a rectangular configuration with an open front and rear and is provided with web portions 3 which as seen in fig3 are reduced in cross section toward the open rear of the viewer as seen in fig1 and 3 gussets 5 are shown spaced at locations about the open front of the viewer 1 in this manner the transparency mat 6 for the film transparency 11 is prevented from moving forward in the viewer since the gussets serve as backstops for the individual film transparencies referring to fig2 it will be seen that the rear holder portion 2 is provided with four tabs 4 that are spaced from each other and project from the body of the holder 2 the inside surfaces of the tabs 4 are designed to hold stacks of film transparencies 11 by engaging their peripheral mats 6 the buttons or pimples 7 are spaced on each of the tabs 4 so as to hold film transparency for example lots of 20 or 36 which are the usual amounts processed from each roll of film as seen in fig3 the rear portion or holder for the stack of film transparencies 11 is inserted within the rear of the front portion 1.