Cardinal HOLDit! Business Card Pockets - Support 3.75" x 2.38" Media - Polypropylene - 10 / Pack - Clear Slip business cards into these clear poly pockets to personalize brochures, ring binders or business presentations. Self-adhesive backing holds them firmly in place. High-quality, archival-safe clear poly with self-adhesive is compatible with all material surfaces including vinyl (ring binders and pad holders). Poly material will not stick to materials inside. Business card pocket is side-opening.