Assembly Hall Window Mural Assembly Hall Window Mural from Janet Snyder Assembly Hall Window Mural Window Cling Mural. Window panels are 10ft tall x 4.5 ft. wide. gLike Assembly Hall Window Mural Window Cling Mural. Window panels are 10ft tall x 4.5 ft. wide. Graphic Design Share R 7 n Janet Snyder Media Communications Specialist Georgetown, IL Follow Contact