This is a vintage Kodak Carousel Transvue 140 slide trays, designed for use with Kodak slide projectors. These trays can hold up to 140 slides each and come with slide retaining clips to ensure the slides stay in place during use. The trays are in their original factory box and are compatible with Kodak brand equipment. These slide trays are perfect for those who enjoy traditional film photography and are looking for a way to store and organize their slides. Purchase 1 or all 11.