Cardinal HOLDit! Self-Adhesive Index Card Pockets are ideal for presentations, letters, sales materials, photos and other small items. Made of high-quality clear poly, each self-adhesive pocket sticks to most surfaces, including PVC vinyl, paper, wood, metal and plastic, making them great for use with binders, folders, files and more. They are also archival-safe, so they can be used with photos, ink and toner without damaging the surface they are placed on. With 100 pockets per pack, each has a clear front and back with a white peel-away liner for easy use. Pocket fit 3" x 5" index card; actual pocket size: 3.625" x 5.25".