For the orderly visual display and safe transport of microscope slides. This loose-leaf binder has ten vinyl View-Packª pages (hold 160 slides). Each page holds 16 slides 3x1" (75x25mm) in individual pockets with a white back and clear front. A flap in the center keeps slides from falling out. Simply fold the page at the center crease to retrieve slides. The 8½" x 10½" (22x27cm) View-Pack™ pages comes with a standard 9"x12" (23x30cm) 3-ring binder.