This metal slide storage box with a tray capacity of 150 is perfect for storing 35mm slides. It is universal and able to hold and store 35mm slides. The slide retaining slots are a great feature, making it easy to organize your collection. The unit comes with one slide tray and is a great addition to any collection. This item is made in the United States and is perfect for those interested in film photography and collecting slides. Get your hands on this quality storage box today!