The OEM Cardinal ClearVue Locking Slant-D Binder CRD26320 is designed for durability and ease of use. It features a unique XtraLife material that prevents sticking to cover title inserts and stored materials, including photos and prints. The binder's PVC-free polyolefin cover material is environmentally friendly and offers a nonstick, clear overlay for easy customization. With locking Slant-D rings that hold 25 percent more letter-size material than standard round rings, this binder can accommodate up to 540 sheets. Additional features include horizontal pockets for loose papers and a sturdy chipboard core.