The Riteway 4x5 Film Holders are designed for medium format cameras, with a rectangular shape to securely hold 4x5 inch film. Made in the United States by Riteway, these cut film holders are compatible with a universal range of camera brands. With a total of 3 holders included, photographers can easily switch out film for different shots without the need for constant reloading. Ideal for film photography enthusiasts looking for reliable and high-quality film back and holders.