EASY TO USE - No assembly required, simply place your slides, close the holder edges shut to secure in place, and begin scanning. COMPATIBLE WITH ALL 35MM FILM SCANNERS - Ideal for any Magnasonic Film Scanner and universally compatible with any film scanner designed to process 35mm slides. HIGH QUALITY DESIGN TO PROTECT YOUR SLIDES - Crafted from sturdy, durable material constructed to withstand continuous usage, with raised dividers between each slide to hold perfectly in place. SCAN MORE SLIDES IN LESS TIME - Each film holder tray fits up to 4 slides for quick and efficient scanning. 35MM SLIDE FILM HOLDER/ SET OF 3 - Upgrade from the standard short slide film holder for a simplified film scanning experience.