The Vintage Brumberger 35mm Metal Slide / Coin Storage File Case is a high-quality slide tray designed for storing and organizing 35mm slides. Made in the United States by the reputable brand Brumberger, this tray has a capacity of 150 slides and is compatible with universal slide projectors. The metal construction ensures durability and protection for your valuable slides, making it a practical and stylish storage solution for any photography enthusiast or collector. The top lid could use a coat of paint. The outside diameters are approximately 14 3/4" X 7 3/4"