This Kodak Carousel slide tray is designed to hold up to 140 slides and is compatible with Kodak slide projectors. The tray is made in the United States and is a part of a custom bundle that includes 10 boxes. It is perfect for those who want to organize their slide collection and make it easy to access their memories. The carousel type design adds a touch of nostalgia to your slide viewing experience. This product is a must-have for anyone who wants to protect their slide collection and share their memories with family and friends.