OEM Oxford Zipper Binder Pockets OXF68599 are designed for use with 2-ring, 3-ring, or 5-ring binders. Made from heavyweight frosted poly material, these pockets provide reliable protection for your documents. The snag-proof zipper allows for easy opening and closing, ensuring your items are secure. With a see-through design, you can quickly identify the contents without needing to open each pocket.